Free Mathematics Books

Here is an unordered list of online mathematics books, textbooks, monographs, lecture notes, and other mathematics related documents freely available on the web. I tried to select only the works in book formats, "real" books that are mainly in PDF format, so many well-known html-based mathematics web pages and online tutorials are left out. Click here if you prefer a categorized directory of mathematics books. The list is updated on a daily basis, so, if you want to bookmark this page, use one of the buttons below.

1. Math That Makes You Go Wow
   M. Boittin, E. Callahan, D. Goldberg, J. Remes | Ohio State University, Published in 1998
2. Probability: Theory and Examples
   Rick Durrett | Cambridge University Press, Published in 2010, 372 pages
3. Euclid's Elements of Geometry
   J.L. Heiberg, R. Fitzpatrick | , Published in 2008, 545 pages
4. Lectures on Riemann Matrices
   C.L. Siegel | Tata Institute of Fundamental Research, Published in 1963, 101 pages
5. Mathematical Methods
   Mihir Sen, Joseph M. Powers | University of Notre Dame, Published in 2010, 432 pages
6. Mathematical Tools for Physics
   James Nearing | Dover Publications, Published in 2010, 569 pages
7. The Theory of Lie Derivatives and Its Applications
   Kentaro Yano | North Holland Publishing Co., Published in 1955, 321 pages
8. Elementary Abstract Algebra
   W. Edwin Clark | University of South Florida, Published in 2001, 105 pages
9. Calculus Unlimited
   Jerrold E. Marsden, A. Weinstein | Benjamin-Cummings Publishing Co., Published in 1981, 246 pages
10. Notes on Algebraic Structures
    Peter J. Cameron | Queen Mary, University of London, Published in 2006, 102 pages
11. Probability, Random Processes, and Ergodic Properties
    Robert M. Gray | Springer, Published in 2008, 217 pages
12. Lectures on Topics in Algebraic Number Theory
    Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2002, 83 pages
13. A Gentle Introduction to Category Theory: the calculational approach
    Maarten M. Fokkinga | University of Twente, Published in 1994, 80 pages
14. Calculus I, II, and III
    Jerrold E. Marsden, Alan Weinstein | Springer, Published in 1986, 1023 pages
15. Discrete Distributions
    Leif Mejlbro | BookBoon, Published in 2009, 72 pages
16. Introductory Treatise On Lie's Theory Of Finite Continuous Transformation Groups
    John Edward Campbell | Oxford Clarendon Press, Published in 1903, 460 pages
17. Real Variables: With Basic Metric Space Topology
    Robert B. Ash | Institute of Electrical & Electronics Engineering, Published in 2007, 213 pages
18. Functions Of A Complex Variable with Applications
    E. G. Phillips | Oliver And Boyd, Published in 1961, 160 pages
19. Linear Systems Theory and Introductory Algebraic Geometry
    Robert Hermann | Math Sci Press, Published in 1974, 282 pages
20. Introduction Probaility and Statistics
    Muhammad El-Taha | University of Southern Maine, Published in 2003, 147 pages
21. Numerical Stability
    M.N. Spijker | Leiden University, Published in 1998, 71 pages
22. Strange Attractors: Creating Patterns in Chaos
    Julien C. Sprott | M & T Books, Published in 2000, 591 pages
23. Geometry, Topology and Physics
    Maximilian Kreuzer | Technische Universitat Wien, Published in 2010, 69 pages
24. Probability and Statistics
    | UCLA, Published in 2012
25. Differential and Integral Equations: Boundary Value Problems and Adjoints
    S. Schwabik, M. Tvrdy, O. Vejvoda | Academia Praha, Published in 1979, 246 pages
26. College Algebra
    Paul Dawkins | Lamar University, Published in 2011, 352 pages
27. Introduction to Symplectic and Hamiltonian Geometry
    Ana Cannas da Silva | , Published in 2007, 158 pages
28. Chance and Luck
    Richard A. Proctor | Longmans, Green, and Co., Published in 1887, 164 pages
29. Commutative Algebra
    Pete L. Clark | University of Georgia, Published in 2015, 363 pages
30. Mathematical Reasoning: Writing and Proof
    Ted Sundstrom | Pearson Education, Inc., Published in 2013, 591 pages
31. The Hermitian Two Matrix Model with an Even Quartic Potential
    M. Duits,‎ A.B.J. Kuijlaars,‎ M. Yue Mo | American Mathematical Society, Published in 2012, 118 pages
32. Mathematics for Technical Schools
    J.M. Warren, W.H. Rutherford | Copp, Clark, Published in 1921, 356 pages
33. A Course of Modern Analysis
    E. T. Whittaker, G. N. Watson | Cambridge University Press, Published in 1920, 608 pages
34. Introductory Mathematical Analysis
    W.P. Webber, L.C. Plant | John Wiley & sons, Published in 1919, 332 pages
35. Functional Analysis
    Feng Tian, Palle E.T. Jorgensen | arXiv, Published in 2010, 98 pages
36. Cook-Book Of Mathematics
    Viatcheslav Vinogradov | CERGE-EI, Published in 1999, 116 pages
37. Noncommutative Algebraic Geometry
    Gwyn Bellamy, et al. | Cambridge University Press, Published in 2016, 360 pages
38. Elementary Abstract Algebra: Examples and Applications
    Justin Hill, Chris Thron | Texas A&M University, Published in 2017, 785 pages
39. A Topology Primer
    Klaus Wirthmüller | Technische Universität Kaiserslautern, Published in 2002, 197 pages
40. Introduction to the Theory of Infinite-Dimensional Dissipative Systems
    Constantin I. Chueshov | ACTA, Published in 2002, 419 pages
41. Book of Proof
    Richard Hammack | Virginia Commonwealth University, Published in 2009, 270 pages
42. Topics in Random Matrix Theory
    Terence Tao | , Published in 2011, 340 pages
43. Elliptic Functions
    Arthur Latham Baker | John Wiley & Sons, Published in 1890, 147 pages
44. Proof Theory and Philosophy
    Greg Restall | consequently.org, Published in 2006, 168 pages
45. A Second Course in Logic
    Christopher Gauker | University of Cincinnati, Published in 2013, 172 pages
46. Multivariable Calculus
    Wong Yan Loi | National University of Singapore, Published in 2013, 105 pages
47. Differential Topology
    Bjorn Ian Dundas | Johns Hopkins University, Published in 2002, 183 pages
48. A Philosophical Essay on Probabilities
    Pierre Simon Laplace | Chapman & Hall, Published in 1902, 234 pages
49. Contributions to Fourier Analysis
    A. Zygmund, et al. | Princeton University Press, Published in 1950, 207 pages
50. Calculus and Differential Equations
    John Avery | Learning Development Institute, Published in 2010, 137 pages
51. Introduction to Groups, Invariants and Particles
    Frank W. K. Firk | Orange Grove Texts Plus, Published in 2000, 162 pages
52. Smarandache Loops
    W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 129 pages
53. Convergence of Stochastic Processes
    D. Pollard | Springer, Published in 1984, 223 pages
54. Galois Theory: Lectures Delivered at the University of Notre Dame
    Emil Artin | University of Notre Dame, Published in 1971, 96 pages
55. The Modern Geometry of the Triangle
    William Gallatly | F. Hodgson, Published in 1914, 126 pages
56. The Art of Logic
    Nuel Belnap | University of Pittsburgh, Published in 2009, 314 pages
57. APEX Calculus
    Gregory Hartman, et al. | APEXcalculus.com, Published in 2015, 874 pages
58. Frobenius Splitting in Commutative Algebra
    Karen E. Smith, Wenliang Zhang | arXiv, Published in 2014, 53 pages
59. Elementary Number Theory
    William Edwin Clark | University of South Florida, Published in 2002, 129 pages
60. Elementary Set Theory with a Universal Set
    Randall Holmes | , Published in 2005, 240 pages
61. Geometry of Numbers with Applications to Number Theory
    Pete L. Clark | University of Georgia, Published in 2015, 159 pages
62. Categorical Homotopy Theory
    Emily Riehl | Cambridge University Press, Published in 2014, 292 pages
63. A Century of Mathematics in America
    Peter Duren, Richard A. Askey | American Mathematical Society, Published in 1988
64. Distribution Theory (Generalized Functions)
    Ivan F Wilde | , Published in 2005, 66 pages
65. Lectures on Singular Stochastic PDEs
    M. Gubinelli, N. Perkowski | arXiv, Published in 2015, 67 pages
66. A Semester Course in Trigonometry
    Marcel B. Finan | Arkansas Tech University, Published in 2003, 264 pages
67. Abstract Algebra
    John A. Beachy, William D. Blair | Waveland, Published in 2006, 506 pages
68. A defense of Columbo: A multilevel introduction to probabilistic reasoning
    G. D'Agostini | arXiv, Published in 2010, 60 pages
69. Preparing for College Physics
    David Murdock | TTU, Published in 2002, 64 pages
70. Notes on Diffy Qs: Differential Equations for Engineers
    Jiří Lebl | Lulu.com, Published in 2017, 371 pages
71. Symplectic, Poisson, and Noncommutative Geometry
    Tohru Eguchi, et al. | Cambridge University Press, Published in 2014, 290 pages
72. A Computational Introduction to Number Theory and Algebra
    Victor Shoup | Cambridge University Press, Published in 2005, 534 pages
73. Differential Equations
    William Woolsey Johnson | J. Wiley, Published in 1906, 96 pages
74. Trigonometry
    Ted Sundstrom, Steven Schlicker | Grand Valley State University, Published in 2016, 442 pages
75. An Introduction to Mathematical Reasoning
    Peter J. Eccles | Cambridge University Press, Published in 2007, 364 pages
76. Theory of Statistics
    James E. Gentle | George Mason University, Published in 2012, 900 pages
77. Lectures on Modular Functions of One Complex Variable
    H. Maass | Tata institute of Fundamental Research, Published in 1983, 242 pages
78. Fundamentals of Model Theory
    William Weiss, Cherie D'Mello | University of Toronto, Published in 1997, 64 pages
79. Lectures on Stochastic Differential Equations and Malliavin Calculus
    S. Watanabe | Tata Institute of Fundamental Research, Published in 1984, 113 pages
80. Discrete Optimization
    Guido Schaefer | Utrecht University, Published in 2012, 97 pages
81. Optimization Algorithms on Matrix Manifolds
    P.-A. Absil, R. Mahony, R. Sepulchre | Princeton University Press, Published in 2007, 240 pages
82. Probabilistic Programming and Bayesian Methods for Hackers
    Cameron Davidson-Pilon | GitHub, Inc., Published in 2013
83. Elliptic Curves over Function Fields
    Douglas Ulmer | arXiv, Published in 2011, 72 pages
84. Derivations of Applied Mathematics
    Thaddeus H. Black | Debian Project, Published in 2017, 742 pages
85. Graph Theory With Applications
    J.A. Bondy and U.S.R. Murty | Elsevier Science Ltd, Published in 1976, 270 pages
86. Mathematical Statistics
    Henry Lewis Rietz | Open Court Pub. Co, Published in 1927, 208 pages
87. Magic Squares and Cubes
    W. S. Andrews | Open Court Publishing Company, Published in 1917, 428 pages
88. Modern Geometry
    Robert Sharpley | University of South Carolina, Published in 2008, 230 pages
89. The Chaos Hypertextbook
    Glenn Elert | , Published in 2007
90. Geometry Formulas and Facts
    Silvio Levy | CRC Press, Published in 1995
91. Markov Chains and Stochastic Stability
    S.P. Meyn, R.L. Tweedie | Springer, Published in 2005, 567 pages
92. Engineering Analysis
    | Wikibooks, Published in 2012, 193 pages
93. The Convenient Setting of Global Analysis
    Andreas Kriegl, Peter W. Michor | American Mathematical Society, Published in 1997, 624 pages
94. Lectures on Harmonic Analysis
    Thomas Wolff | American Mathematical Society, Published in 2003, 85 pages
95. Lectures on An Introduction to Grothendieck's Theory of the Fundamental Group
    J.P. Murre | Tata Institute of Fundamental Research, Published in 1967, 143 pages
96. Complex Analysis
    George Cain | , Published in 2001
97. High School Mathematics Extensions
    Zhuo Jia Dai, Martin Warmer, Tom Lam | Wikibooks, Published in 2008, 250 pages
98. Floer Homology, Gauge Theory, and Low Dimensional Topology
    David Ellwood, at al. | American Mathematical Society, Published in 2006, 314 pages
99. Partial Differential Equations of Mathematical Physics
    William W. Symes | Rice University, Published in 2006, 105 pages
100. Numerical Analysis: Theory and Application
     Jan Awrejcewicz | InTech, Published in 2011, 626 pages
101. Plane and Spherical Trigonometry in three parts
     Henry Bedingfield Goodwin | Longmans, Green, and Co., Published in 1907, 296 pages
102. Introduction to Statistical Thought
     Michael Lavine | , Published in 2008, 434 pages
103. Lectures on Topics in Analysis
     Raghavan Narasimhan | Tata Institute of Fundamental Research, Published in 1965, 205 pages
104. Linear algebra via exterior products
     Sergei Winitzki | Ludwig-Maximilians University, Published in 2009, 82 pages
105. Fundamentals of High School Mathematics
     Harold O. Rugg, John R. Clark | Yonkers-on-Hudson, N.Y., Published in 1918, 296 pages
106. Introduction to Categories and Categorical Logic
     Samson Abramsky, Nikos Tzevelekos | arXiv, Published in 2011, 101 pages
107. Active Calculus
     Matt Boelkins | Grand Valley State University, Published in 2013, 525 pages
108. n-Linear Algebra of Type II
     W. B. V. Kandasamy, F. Smarandache | InfoLearnQuest, Published in 2008, 231 pages
109. Combinatorial Group Theory
     Charles F. Miller III | University of Melbourne, Published in 2004, 99 pages
110. Basic Category Theory
     Jaap van Oosten | University of Utrecht, Published in 2007, 88 pages
111. Introduction to Lie Groups and Lie Algebras
     Alexander Kirillov, Jr. | SUNY at Stony Brook, Published in 2010, 136 pages
112. Introduction to Vectors
     Christopher C. Tisdell | Bookboon, Published in 2014, 68 pages
113. Advanced Algebra
     Anthony W. Knapp | Birkhäuser, Published in 2016, 758 pages
114. Category Theory: A Gentle Introduction
     Peter Smith | Logic Matters, Published in 2016, 283 pages
115. Lectures on Complex Analytic Manifolds
     L. Schwartz | Tata Institute of Fundamental Research, Published in 1955, 163 pages
116. Mathematical Formula Handbook
     Wu-ting Tsai | National Taiwan University, Published in 2012, 28 pages
117. Graph Theory
     Keijo Ruohonen | Tampere University of Technology, Published in 2008, 114 pages
118. Real Numbers and Fascinating Fractions
     N. M. Beskin | , Published in 1986
119. Fundamental Numerical Methods and Data Analysis
     George W. Collins, II | NASA ADS, Published in 2003, 254 pages
120. Extremes and Recurrence in Dynamical Systems
     Valerio Lucarini, et al. | arXiv, Published in 2016, 305 pages
121. Lectures on the History of Mathematics
     G. Donald Allen | Texas A&M University, Published in 2003
122. Fractal Analysis
     Sid-Ali Ouadfeul (ed.) | InTech, Published in 2019, 312 pages
123. A Practical Guide to Robust Optimization
     Bram L. Gorissen, Ihsan Yanıkoğlu, Dick den Hertog | arXiv, Published in 2015, 29 pages
124. Projective Geometry
     Nigel Hitchin | , Published in 2003, 74 pages
125. Intersection Graphs: An Introduction
     Madhumangal Pal | arXiv, Published in 2014, 49 pages
126. Robust Geometric Computation
     Kurt Mehlhorn, Chee Yap | New York University, Published in 2004
127. Non-Uniform Random Variate Generation
     Luc Devroye | Springer, Published in 1986, 843 pages
128. Heegner Points and Rankin L-Series
     Henri Darmon, Shou-Wu Zhang | Cambridge University Press, Published in 2004, 382 pages
129. Introduction to Applied Linear Algebra: Vectors, Matrices and Least Squares
     Stephen Boyd, Lieven Vandenberghe | Cambridge University Press, Published in 2018, 473 pages
130. Foundations of Infinitesimal Calculus
     H. Jerome Keisler | University of Wisconsin, Published in 2011, 213 pages
131. Higher Mathematics for Engineers and Physicists
     Ivan S. Sokolnikoff | McGraw Hill, Published in 1941, 537 pages
132. The Story of Euclid
     W. B. Frankland | George Newnes, Published in 1902, 183 pages
133. The Millennium Prize Problems
     J. Carlson, A. Jaffe, A. Wiles | American Mathematical Society, Published in 2006, 139 pages
134. Symmetry Groups and Their Applications
     Willard Miller | Academic Press, Published in 1972
135. Lectures on Torus Embeddings and Applications
     Tadao Oda | Tata Institute of Fundamental Research, Published in 1978, 158 pages
136. Computer analysis of number sequences
     Henry Ibstedt | American Research Press, Published in 1998, 86 pages
137. Global Theory Of Minimal Surfaces
     David Hoffman | American Mathematical Society, Published in 2005, 808 pages
138. Lecture Notes in Discrete Mathematics
     Marcel B. Finan | Arkansas Tech University, Published in 2001, 224 pages
139. Mathematical Philosophy: A Study of Fate and Freedom
     Cassius Jackson Keyser | E.P. Dutton & company, Published in 1922, 490 pages
140. Complex Analytic and Differential Geometry
     Jean-Pierre Demailly | Universite de Grenoble, Published in 2007, 571 pages
141. Vector Math for 3D Computer Graphics
     Bradley Kjell | Central Connecticut State University, Published in 2003
142. Community Calculus
     David Guichard, Neal Koblitz | , Published in 2008, 446 pages
143. Markov Chains and Mixing Times
     D. A. Levin, Y. Peres, E. L. Wilmer | American Mathematical Society, Published in 2008, 387 pages
144. Foundations of Descriptive and Inferential Statistics
     Henk van Elst | arXiv, Published in 2013, 144 pages
145. Higher Geometry: an introduction to advanced methods in analytic geometry
     Frederick S. Woods | Ginn & Co., Published in 1922, 450 pages
146. Lectures on Calabi-Yau and Special Lagrangian Geometry
     Dominic Joyce | arXiv, Published in 2002, 58 pages
147. Group theory for Maths, Physics and Chemistry
     Arjeh Cohen, Rosane Ushirobira, Jan Draisma | , Published in 2007, 93 pages
148. Integration and Differential Equations
     R.S. Johnson | BookBoon, Published in 2012, 122 pages
149. CK-12 Basic Probability and Statistics: A Short Course
     Brenda Meery | CK-12.org, Published in 2010, 201 pages
150. Practical Mathematics for Beginners
     Frank Castle | Macmillan and co, Published in 1905, 366 pages
151. Advanced Calculus
     Lynn H. Loomis, Shlomo Sternberg | Jones and Bartlett Publishers, Published in 1989, 592 pages
152. An Introductory Course Of Mathematical Analysis
     Charles Walmsley | Cambridge University Press, Published in 1920, 268 pages
153. Ends of Complexes
     Bruce Hughes, Andrew Ranicki | Cambridge University Press, Published in 2008, 375 pages
154. Understanding Algebra
     James W. Brennan | , Published in 2011, 106 pages
155. Notes on Linear Algebra
     Peter J. Cameron | Queen Mary, University of London, Published in 2008, 124 pages
156. The Design of Approximation Algorithms
     D. P. Williamson, D. B. Shmoys | Cambridge University Press, Published in 2010, 496 pages
157. Modern Algebraic Topology
     D. G. Bourgin | Macmillan, Published in 1963, 544 pages
158. Elementary Functions and Applications
     Arthur Sullivan Gale, Charles William Watkeys | H. Holt & Co., Published in 1920, 459 pages
159. Valuations and Hyperbolicity in Dynamics
     Thomas Ward | University of East Anglia, Published in 2001, 58 pages
160. Radically Elementary Probability Theory
     Edward Nelson | Princeton University Press, Published in 1987, 111 pages
161. Topics in Applied Mathematics and Nonlinear Waves
     Per Kristen Jakobsen | arXiv.org, Published in 2019, 321 pages
162. Substitutions in Dynamics, Arithmetics, and Combinatorics
     Pierre Arnoux, et al. | Springer, Published in 2002, 419 pages
163. Beginning Statistics
     Douglas S. Shafer, Zhiyi Zhang | lardbucket.org, Published in 2014, 716 pages
164. Discrepancy Theory
     William Chen | Macquarie University, Published in 2012, 99 pages
165. The Theory of Determinants and Their Applications
     Robert Forsyth Scott | Cambridge University Press, Published in 1904, 308 pages
166. An Introduction to Combinatorics and Graph Theory
     David Guichard | Whitman College, Published in 2017, 153 pages
167. Analysis of Puzzles
     Umesh Nair | , Published in 2006, 88 pages
168. Interval Groupoids
     W. B. V. Kandasamy, F. Smarandache, M. K. Chetry | arXiv, Published in 2010, 240 pages
169. High School Algebra
     J.T. Crawford | The Macmillan Company, Published in 1916, 428 pages
170. Functions and Their Graphs
     J. Nicholas, J. Hunter, J. Hargreaves | University of Sydney, Published in 1997, 77 pages
171. Homological Methods in Noncommutative Geometry
     D. Kaledin | , Published in 2008, 77 pages
172. Inner Algebra
     Aaron Maxwell | Lulu.com, Published in 2005, 94 pages
173. C*-algebraic Methods in Spectral Theory
     Serge Richard | Nagoya University, Published in 2014, 103 pages
174. Irrational Numbers and Their Representation by Sequences and Series
     Henry Parker Manning | J. Wiley & sons, Published in 1906, 156 pages
175. Introduction to Matrix Algebra
     Autar K Kaw | University of South Florida, Published in 2002, 192 pages
176. The Encyclopedia of Gambling
     Peter Arnold | Chartwell Books, Published in 1977, 256 pages
177. Lectures on The Riemann Zeta-Function
     K. Chandrasekharan | Tata Institute of Fundamental Research, Published in 1953, 154 pages
178. New Perspectives in Algebraic Combinatorics
     Louis J. Billera, at al. | Cambridge University Press, Published in 1999, 345 pages
179. Logic for Computer Science
     Jean H. Gallier | Longman Higher Education, Published in 1986, 528 pages
180. Finite Euclidean and Non-Euclidean Geometries
     Rene De Vogelaere | arXiv, Published in 2019, 778 pages
181. Engineering Mathematics 1
     Ian Craw, Stuart Dagger, John Pulham | , Published in 2003, 187 pages
182. Chebyshev and Fourier Spectral Methods
     John P. Boyd | Dover Publications, Published in 2001, 611 pages
183. Sam Loyd's Cyclopedia of 5000 Puzzles tricks and Conundrums
     Sam Loyd | The Lamb Publishing Company, Published in 1914, 194 pages
184. Tabletop: Analog Game Design
     Greg Costikyan, Drew Davidson | , Published in 2011, 206 pages
185. Complex Analysis on Riemann Surfaces
     Curtis McMullen | Harvard University, Published in 2005, 89 pages
186. Representations of Reductive p-adic Groups
     Fiona Murnaghan | University of Toronto, Published in 2009, 128 pages
187. Mathematical Biology
     Jeffrey R. Chasnov | The Hong Kong University of Science & Technology, Published in 2010, 115 pages
188. Statistics Done Wrong
     Alex Reinhart | refsmmat.com, Published in 2013, 437 pages
189. Topics in the Theory of Quadratic Residues
     Steve Wright | arXiv, Published in 2014, 160 pages
190. Complex Variables with Applications
     Jeremy Orloff | LibreTexts, Published in 2021, 289 pages
191. Linear Algebra with Applications
     W. Keith Nicholson | Lyryx, Published in 2018, 698 pages
192. Functional Analysis
     Alexander C. R. Belton | Lancaster University, Published in 2006, 127 pages
193. Differential Equations and Linear Algebra
     Simon J.A. Malham | Heriot-Watt University, Published in 2010, 95 pages
194. Mathematical Theory of Scattering Resonances
     Semyon Dyatlov, Maciej Zworski | MIT, Published in 2018, 640 pages
195. Mathematics for Computer Scientists
     Gareth J. Janacek, Mark L. Close | BookBoon, Published in 2008, 153 pages
196. Discrete Differential Geometry: An Applied Introduction
     M. Desbrun, P. Schroeder, M. Wardetzky | Columbia University, Published in 2008, 103 pages
197. Introduction to Commutative Algebra
     Thomas J. Haines | University of Maryland, Published in 2024, 93 pages
198. Applied Probability
     Paul E Pfeiffer | Connexions, Published in 2008, 634 pages
199. Notes on Category Theory with examples from basic mathematics
     Paolo Perrone | arXiv, Published in 2021, 181 pages
200. A Course Of Differential Geometry
     John Edward Campbell | Clarendon Press, Published in 1926, 288 pages
201. Differential Equations
     H. B. Phillips | John Wiley & Sons, Published in 1922, 84 pages
202. Noncommutative Geometry, Quantum Fields and Motives
     Alain Connes, Matilde Marcolli | American Mathematical Society, Published in 2007, 705 pages
203. Notes on Differential Equations
     Bob Terrell | , Published in 2005, 99 pages
204. Beginning and Intermediate Algebra
     Tyler Wallace | Lulu.com, Published in 2010, 489 pages
205. Mathematics For Engineering Students
     Samuel Keller | D. Van Nostrand Company, Published in 1908, 376 pages
206. A Quick Review of Commutative Algebra
     Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2000, 13 pages
207. Introduction to Real Analysis
     William F. Trench | Prentice Hall, Published in 2003, 583 pages
208. Tensor Analysis
     Edward Nelson | Princeton Univ Pr, Published in 1974, 138 pages
209. Symmetry and Separation of Variables
     Willard Miller | Addison-Wesley, Published in 1977, 318 pages
210. Noncommutative Rings
     Michael Artin | , Published in 1999, 103 pages
211. Sequences and Power Series: Guidelines for Solutions of Problems
     Leif Mejlbro | BookBoon, Published in 2007, 104 pages
212. Men of Mathematics
     E.T. Bell | Archive.org, Published in 1937
213. Handbook of Mathematical Functions
     M. Abramowitz, I. A. Stegun | GPO, Published in 1964, 1046 pages
214. Numerical Methods For Time Dependent Equations
     P. Lascaux | Tata Institute of Fundamental Research, Published in 1976, 162 pages
215. Notes on Harmonic Analysis
     George Benthien | , Published in 2006, 74 pages
216. The Homology of Iterated Loop Spaces
     F. R. Cohen, T. J. Lada, P. J. May | Springer, Published in 2009, 490 pages
217. Elementary Calculus
     Michael Corral | mecmath.net, Published in 2021, 348 pages
218. Noncommutative Localization in Algebra and Topology
     Andrew Ranicki | Cambridge University Press, Published in 2002, 323 pages
219. Probability Theory: The Logic of Science
     E. T. Jaynes | Cambridge University Press, Published in 2002, 758 pages
220. Difference Equations to Differential Equations - An introduction to calculus
     Dan Sloughter | , Published in 2000, 599 pages
221. Conformal Fractals: Ergodic Theory Methods
     F. Przytycki, M. Urbanski | Cambridge University Press, Published in 2009, 362 pages
222. Triangles, Rotation, a Theorem and the Jackpot
     Dave Auckly | arXiv, Published in 2013, 43 pages
223. Exterior Differential Systems
     Robert L. Bryant, et al. | MSRI, Published in 1991, 406 pages
224. Boundless Algebra
     | Lumen Learning, Published in 2018, 439 pages
225. Geometric Theorems and Arithmetic Functions
     Jozsef Sandor | American Research Press, Published in 2002, 55 pages
226. generatingfunctionology
     Herbert S. Wilf | A K Peters, Ltd., Published in 2006, 245 pages
227. Essays on the Theory of Numbers
     Richard Dedekind | The Open Court Publishing, Published in 1901, 78 pages
228. Lecture Notes on Free Probability
     Vladislav Kargin | arXiv, Published in 2013, 100 pages
229. Differential and Integral Calculus
     C. E. Love, E. D. Rainville | The MacMillan Company, Published in 1916, 369 pages
230. Basic Probability Theory
     Robert B. Ash | Dover Publications, Published in 2008, 352 pages
231. Stochastic Processes
     Leif Mejlbro | BookBoon, Published in 2012, 263 pages
232. Projective and Polar Spaces
     Peter J. Cameron | Queen Mary College, Published in 1991, 147 pages
233. The Calculus for Engineers
     John Perry | E. Arnold, Published in 1897, 408 pages
234. Complex Analysis
     Christian Berg | Kobenhavns Universitet, Published in 2012, 192 pages
235. Notes on Differential Geometry
     Noel J. Hicks | Van Nostrand, Published in 1965, 183 pages
236. Robust Optimization
     A. Ben-Tal, L. El Ghaoui, A. Nemirovski | Princeton University Press, Published in 2009, 564 pages
237. Statistics, Probability, and Game Theory: papers in honor of David Blackwell
     David Blackwell, at al. | IMS, Published in 1996, 407 pages
238. Introduction to Algebraic Geometry
     Sudhir R. Ghorpade | Indian Institute of Technology Bombay, Published in 2007, 20 pages
239. Extracting Information from Random Data
     Pawel J. Szablowski | arXiv, Published in 2016, 167 pages
240. Lectures on Expansion Techniques In Algebraic Geometry
     S.S. Abhyankar | Tata Institute Of Fundamental Research, Published in 1977, 169 pages
241. Introduction to Numerical Methods
     Jeffrey R. Chasnov | The Hong Kong University, Published in 2012, 63 pages
242. Lectures on Elementary Probability
     William G. Faris | University of Arizona, Published in 2002, 62 pages
243. Galois Groups and Fundamental Groups
     Leila Schneps | Cambridge University Press, Published in 2003, 467 pages
244. Yet Another Calculus Text
     Dan Sloughter | , Published in 2007, 147 pages
245. A Course of Pure Mathematics
     G.H. Hardy | Cambridge University Press, Published in 1921, 476 pages
246. Why are Braids Orderable?
     Patrick Dehornoy, at al. | , Published in 2010, 206 pages
247. Mathematical Analysis I
     Elias Zakon | The Trillia Group, Published in 2004, 367 pages
248. Complex Multiplication
     J. S. Milne | , Published in 2006, 113 pages
249. Introduction to Proof Theory
     Gilles Dowek | ESSLLI, Published in 2001, 82 pages
250. Operator Algebras and Quantum Statistical Mechanics
     Ola Bratteli, Derek W. Robinson | Springer, Published in 2003, 505 pages
251. Multivariable Calculus
     Jerry Shurman | Reed College, Published in 2010, 523 pages
252. Basic Real Analysis
     Anthony W. Knapp | Birkhäuser, Published in 2016, 840 pages
253. Lectures on Siegel Modular Forms and Representation by Quadratic Forms
     Y. Kitaoka | Tata Institute of Fundamental Research, Published in 1986, 197 pages
254. Combinatory Analysis
     Percy A. MacMahon | Cambridge University Press, Published in 1915, 612 pages
255. Unfolding the Labyrinth: Open Problems in Mathematics, Physics, Astrophysics
     Florentin Smarandache, at al. | arXiv, Published in 2006, 139 pages
256. Matrix Analysis
     Steven J Cox | Rice University, Published in 2012, 98 pages
257. Introduction to Vectors and Tensors Volume 1: Linear and Multilinear Algebra
     Ray M. Bowen, C.-C.Wang | Springer, Published in 2008, 314 pages
258. An Introduction to K-theory
     Eric M. Friedlander | , Published in 2007, 78 pages
259. Introduction to Stokes Structures
     Claude Sabbah | arXiv, Published in 2010, 157 pages
260. Lectures on Symplectic Geometry
     Ana Cannas da Silva | Springer, Published in 2006, 225 pages
261. Lectures notes on compact Riemann surfaces
     Bertrand Eynard | arXiv.org, Published in 2018, 119 pages
262. Geometry of the Quintic
     Jerry Shurman | Wiley-Interscience, Published in 1997, 208 pages
263. Infinite-dimensional Lie Algebras
     Iain Gordon | University of Edinburgh, Published in 2009, 55 pages
264. Sets, Relations, Functions
     Ivo Düntsch, Günther Gediga | Methodos Publishers (UK), Published in 2000, 55 pages
265. Topology and Physics: A Historical Essay
     C. Nash | arXiv, Published in 1997, 60 pages
266. A First Course of Partial Differential Equations in Physical Sciences and Engineering
     Marcel B. Finan | Arkansas Tech University, Published in 2009, 285 pages
267. Existence, multiplicity, perturbation, and concentration results for a class of quasi-linear elliptic problems
     Marco Squassina | Electronic Journal of Differential Equations, Published in 2006, 213 pages
268. Conic Sections Treated Geometrically
     W. H. Besant | George Bell and Sons, Published in 1895, 367 pages
269. Surveys in Noncommutative Geometry
     Nigel Higson, John Roe | American Mathematical Society, Published in 2006, 208 pages
270. Modular Forms, Hecke Operators, and Modular Abelian Varieties
     Kenneth A. Ribet, William A. Stein | University of Washington, Published in 2003, 154 pages
271. Orders of Infinity
     G. H. Hardy | Cambridge University Press, Published in 1910, 101 pages
272. Linear Mathematics In Infinite Dimensions
     U. H. Gerlach | The Ohio State University, Published in 2015, 507 pages
273. Lectures on Lipschitz Analysis
     Juha Heinonen | , Published in 2005, 77 pages
274. Lectures on Probability, Statistics and Econometrics
     Marco Taboga | statlect.com, Published in 2010
275. Revealing Statistical Principles
     J.K. Lindsey | Hodder Education Publishers, Published in 1999, 225 pages
276. Introductory Map Theory
     Yanpei Liu | Kapa & Omega, Published in 2010, 503 pages
277. Probability, Statistics and Stochastic Processes
     Cosma Rohilla Shalizi | , Published in 2001, 71 pages
278. Games of No Chance 3
     Michael H. Albert, Richard J. Nowakowski | Cambridge University Press, Published in 2009, 586 pages
279. An Introduction to Mathematics
     A. N. Whitehead | Williams & Northgate, Published in 1911, 274 pages
280. Mathematics for Engineers
     William Neville Rose | Chapman, Published in 1922
281. The First Six Books of the Elements of Euclid
     John Casey, Euclid | Longmans, Green, and Co., Published in 1885, 233 pages
282. The Nature of Mathematics
     Philip E. B. Jourdain | T. C. & E. C. Jack, Published in 1919, 136 pages
283. Introduction to Real Analysis
     Lee Larson | University of Louisville, Published in 2014, 184 pages
284. Fractional Graph Theory: A Rational Approach to the Theory of Graphs
     Daniel Ullman, Edward Scheinerman | Wiley, Published in 2008, 167 pages
285. Discrete Dynamical Systems
     Arild Wikan | Bookboon, Published in 2013, 254 pages
286. A Friendly Introduction to Mathematical Logic
     Christopher C. Leary, Lars Kristiansen | Milne Library Publishing, Published in 2015, 380 pages
287. Practical Mathematics
     A.H. Bell | Blackie And Son Limited, Published in 1919, 356 pages
288. Endless Amusement
     | Lea and Blanchard, Published in 1847, 217 pages
289. Differential Calculus
     Shanti Narayan | S. Chand And Company, Published in 1962, 429 pages
290. The Logic Of Chance
     John Venn | Macmillan And Company, Published in 1888, 550 pages
291. Quick Notes - Statistics
     Walter Antoniotti | 21st Century Learning Products, Published in 2001, 271 pages
292. Logic For Everyone
     Robert A. Herrmann | , Published in 2006, 124 pages
293. A Handbook of Statistics
     Darius Singpurwalla | Bookboon, Published in 2013, 79 pages
294. Introduction to Dynamical Systems: A Hands-on Approach with Maxima
     Jaime E. Villate | , Published in 2006, 43 pages
295. Languages and Machines
     C. D. H. Cooper | Macquarie University, Published in 2008
296. Rotations of Vectors Via Geometric Algebra
     James A. Smith | viXra, Published in 2016, 76 pages
297. Making up Numbers: A History of Invention in Mathematics
     Ekkehard Kopp | Open Book Publishers, Published in 2023, 282 pages
298. Lectures on Forms of Higher Degree
     J.I. Igusa | Tata Institute of Fundamental Research, Published in 1978, 169 pages
299. Lectures on Polyhedral Topology
     John R. Stallings | Tata Institute of Fundamental Research, Published in 1967, 214 pages
300. Introduction to Analysis
     Irena Swanson | Purdue University, Published in 2020, 353 pages
301. Notes on Optimization
     Pravin Varaiya | Van Nostrand, Published in 1972, 140 pages
302. Geometry and Group Theory
     Christopher Pope | Texas A&M University, Published in 2008, 181 pages
303. Matrix Algebra
     Marco Taboga | StatLect, Published in 2021, 320 pages
304. Combinatorial Maps: Tutorial
     Dainis Zeps | Latvian University, Published in 2007, 61 pages
305. Lectures on Linear Logic
     A. S. Troelstra | CSLI, Published in 1992, 215 pages
306. Surgical Methods in Rigidity
     F.T. Farrell | Springer, Published in 1996, 108 pages
307. Lectures On Approximation By Polynomials
     J.G. Burkill | Tata Institute of Fundamental Research, Published in 1959, 75 pages
308. Modeling, Functions, and Graphs: Algebra for College Students
     Katherine Yoshiwara | Los Angeles Pierce College, Published in 2017, 344 pages
309. Descriptive Set Theory
     Yiannis N. Moschovakis | American Mathematical Society, Published in 2009, 516 pages
310. Symmetry Measures on Complex Networks
     Angel Garrido (ed.) | MDPI AG, Published in 2017, 510 pages
311. Lectures on Minimal Surface Theory
     Brian White | arXiv, Published in 2013, 46 pages
312. scl
     Danny Calegari | Mathematical Society of Japan, Published in 2009, 218 pages
313. Topics in Discrete Mathematics
     A.F. Pixley | Harvey Mudd College, Published in 2010, 173 pages
314. Applied Mathematics by Example
     Jeremy Pickles | BookBoon, Published in 2010, 164 pages
315. Symplectic Geometry
     Ana Cannas da Silva | Princeton University, Published in 2004, 109 pages
316. Integral Calculus
     Leah Edelstein-Keshet | University of British Columbia, Published in 2010, 267 pages
317. Set Linear Algebra and Set Fuzzy Linear Algebra
     W. B. V. Kandasamy, F. Smarandache, K. Ilanthenral | InfoLearnQuest, Published in 2008, 345 pages
318. Logic for Computer Scientists
     Uli Furbach | Wikibooks, Published in 2010
319. Analytic geometry for colleges, universities, and technical schools
     E.W. Nichols | Leach, Shewell & Sanborn, Published in 1892, 304 pages
320. Handbook of Engineering Mathematics
     Walter E. Wynne, William Spraragen | Van Nostrand, Published in 1916, 246 pages
321. Probability for Finance
     Patrick Roger | BookBoon, Published in 2010, 115 pages
322. The Elementary Properties of the Elliptic Functions
     Alfred Cardew Dixon | Macmillan, Published in 1894, 164 pages
323. Linear Algebra: A Course for Physicists and Engineers
     Arak Mathai,‎ Hans J. Haubold | De Gruyter Open, Published in 2017, 450 pages
324. A Second Course in Elementary Ordinary Differential Equations
     Marcel B. Finan | Arkansas Tech University, Published in 2006, 201 pages
325. Probability and Statistics Cookbook
     Matthias Vallentin | , Published in 2012, 31 pages
326. Algebraic Geometry
     J.S. Milne | , Published in 2008, 241 pages
327. Linear Algebra: Course
     Peter Saveliev | , Published in 2012, 242 pages
328. Introduction to Algebraic Number Theory
     William Stein | University of Washington, Published in 2005, 140 pages
329. Real Analysis for Graduate Students: Measure and Integration Theory
     Richard F. Bass | CreateSpace, Published in 2011, 206 pages
330. Introduction to the Theory of Statistics
     A. M. Mood, F. A. Graybill, D. C. Boes | McGraw-Hill, Published in 1974, 577 pages
331. Foliations and the Geometry of 3-manifolds
     Danny Calegari | Oxford University Press, Published in 2007, 371 pages
332. Algebraic Problems and Exercises for High School
     I. Goian, R. Grigor, V. Marin, F. Smarandache | The Educational Publisher, Published in 2015, 146 pages
333. Nonlinear Partial Differential Equations of Elliptic Type
     Vicentiu Radulescu | arXiv, Published in 2005, 114 pages
334. Medians and Means in Riemannian Geometry: Existence, Uniqueness and Computation
     M. Arnaudon, F. Barbaresco, L. Yang | arXiv, Published in 2011, 48 pages
335. An Introduction to Nonlinear Optimization Theory
     Marius Durea, Radu Strugariu | De Gruyter Open, Published in 2014, 328 pages
336. Applied Linear Algebra in Action
     Vasilios N. Katsikis | InTech, Published in 2016, 172 pages
337. Analytic Geometry and Calculus
     F.S. Woods, F.H. Bailey | Ginn and Company, Published in 1917, 542 pages
338. Computational Category Theory
     D.E. Rydeheard, R.M. Burstall | , Published in 2001, 263 pages
339. Harmonic Analysis
     S.R.S. Varadhan | New York University, Published in 2019, 82 pages
340. Linear Algebra: An Introduction to Mathematical Discourse
     | Wikibooks, Published in 2011
341. Elementary Illustrations of the Differential and Integral Calculus
     Augustus De Morgan | The Open Court Pub. Co., Published in 1899, 194 pages
342. Recreations in Mathematics
     H E. Licks | D. Van Nostrand Company, Published in 1917, 163 pages
343. Calculus Made Easy
     Silvanus P. Thompson | The MacMillan Company, Published in 1914, 315 pages
344. The Algebraic Theory of Modular Systems
     Francis Sowerby Macaulay | Cambridge University Press, Published in 1916, 140 pages
345. Linear Algebra
     Jonathan Gleason | University of California, Published in 2018, 681 pages
346. Introduction to Tensor Calculus
     Taha Sochi | arXiv, Published in 2016, 83 pages
347. Linear Algebra
     Benjamin McKay | University College Cork, Published in 2008, 263 pages
348. Real Analysis
     A. M. Bruckner, J. B. Bruckner, B. S. Thomson | Prentice Hall, Published in 1997, 713 pages
349. Ten British Mathematicians
     Alexander Macfarlane | , Published in 1916, 108 pages
350. Very Basic Noncommutative Geometry
     Masoud Khalkhali | University of Western Ontario, Published in 2004, 104 pages
351. Measure Theory in Non-Smooth Spaces
     Nicola Gigli | De Gruyter Open, Published in 2017, 346 pages
352. Coalgebras and Modal Logic
     Alexander Kurz | ESSLLI, Published in 2002, 100 pages
353. Concepts and Applications of Inferential Statistics
     Richard Lowry | , Published in 2008, 366 pages
354. Lectures on Curves on Rational and Unirational Surfaces
     Masayoshi Miyanishi | Tata Institute of Fundamental Research, Published in 1978, 267 pages
355. Calculus for Beginners and Artists
     Daniel Kleitman | MIT, Published in 2009
356. Online Statistics Education
     David Lane | Rice University, Published in 2017, 692 pages
357. Topological Groups: Yesterday, Today, Tomorrow
     Sidney A. Morris (ed.) | MDPI AG, Published in 2016, 230 pages
358. Continuous Distributions
     Leif Mejlbro | BookBoon, Published in 2009, 167 pages
359. Probability, Geometry and Integrable Systems
     Mark Pinsky, Bjorn Birnir | Cambridge University Press, Published in 2007, 428 pages
360. First Book in Arithmetic
     | W.W. Shannon, Published in 1905, 268 pages
361. Lecture Notes in Lie Groups
     Vladimir G. Ivancevic, Tijana T. Ivancevic | arXiv, Published in 2011, 74 pages
362. Logic for Computer Science
     | Wikibooks, Published in 2010
363. Lectures on Fibre Bundles and Differential Geometry
     J.L. Koszul | Tata Institute of Fundamental Research, Published in 1960, 105 pages
364. Linearization via the Lie Derivative
     Carmen Chicone, Richard Swanson | American Mathematical Society, Published in 2000, 64 pages
365. Jordan Operator Algebras
     Harald Hanche-Olsen, Erling Størmer | Pitman, Published in 1984, 216 pages
366. Introduction to Vectors and Tensors Volume 2: Vector and Tensor Analysis
     Ray M. Bowen, C.-C. Wang | , Published in 2008, 246 pages
367. A Course in Mathematical Analysis
     E. Goursat, O. Dunkel, E.R. Hedrick | Ginn & company, Published in 1904, 1890 pages
368. The Pythagorean Theorem: Crown Jewel of Mathematics
     John C. Sparks | AuthorHouse, Published in 2008, 190 pages
369. Trigonometry
     Michael Corral | mecmath.net, Published in 2009, 174 pages
370. Combinatorial Knot Theory
     Louis H. Kauffman | University of Illinois at Chicago, Published in 2009, 159 pages
371. Introductory Statistics: Concepts, Models, and Applications
     David W. Stockburger | Missouri State University, Published in 1996, 487 pages
372. Real Functions in One Variable: Examples of Integrals
     Leif Mejlbro | BookBoon, Published in 2007, 154 pages
373. Topology Lecture Notes
     Thomas Ward | UEA, Published in 2001, 88 pages
374. Explaining Logarithms
     Dan Umbarger | Brown Books Publishing Group, Published in 2006, 112 pages
375. Introduction to the Basics of Heegaard Floer Homology
     Bijan Sahamie | arXiv, Published in 2010, 71 pages
376. Lectures on Topics In One-Parameter Bifurcation Problems
     P. Rabier | Tata Institute of Fundamental Research, Published in 1985, 238 pages
377. Ordinary Differential Equations: A Systems Approach
     Bruce P. Conrad | , Published in 2010, 1125 pages
378. A Concise Course in Algebraic Topology
     J. P. May | University Of Chicago Press, Published in 1999, 251 pages
379. Commutative Algebra and Noncommutative Algebraic Geometry
     David Eisenbud, et al. | Cambridge University Press, Published in 2015, 775 pages
380. Interacting Particle Systems
     Stefan Grosskinsky | University of Warwick, Published in 2009, 56 pages
381. Non-Euclidean Geometry: A Critical and Historical Study of its Development
     Roberto Bonola | Open Court Publishing Company, Published in 1912, 292 pages
382. Operators on Hilbert Space
     John Erdos | King's College London, Published in 2004, 52 pages
383. Honors Calculus
     Frank Jones | Rice University, Published in 2004
384. Practical Mathematics for Home Study
     Claude Irwin Palmer | McGraw-Hill, Published in 1919, 528 pages
385. Virtual Polyhedra: The Encyclopedia of Polyhedra
     George W. Hart | , Published in 2000
386. Elementary Algebra
     Denny Burzynski, Wade Ellis | College of Southern Nevada, Published in 2023, 1135 pages
387. Finite Group Representations for the Pure Mathematician
     Peter Webb | University of Minnesota, Published in 2007, 183 pages
388. Decision Making and Productivity Measurement
     Dariush Khezrimotlagh | arXiv, Published in 2016, 214 pages
389. Stability, Riemann Surfaces, Conformal Mappings: Complex Functions Theory a-3
     Leif Mejlbro | BookBoon, Published in 2010, 115 pages
390. Strings and Geometry
     M. Douglas, J. Gauntlett, M. Gross | American Mathematical Society, Published in 2004, 384 pages
391. Implementing Mathematics with The Nuprl Proof Development System
     R. L. Constable, at al. | Prentice Hall, Published in 1986
392. Algorithms in Real Algebraic Geometry
     S. Basu, R. Pollack, M. Roy | Springer, Published in 2009, 672 pages
393. Theory of the Integral
     Stanislaw Saks | Polish Mathematical Society, Published in 1937, 347 pages
394. Algebraic K-Theory
     Hyman Bass | W. A. Benjamin, Published in 1968, 793 pages
395. Smooth Numbers: Computational Number Theory and Beyond
     Andrew Granville | Universite de Montreal, Published in 2008, 58 pages
396. Diophantine Analysis
     R. D. Carmichael | John Wiley & Sons, Published in 1915, 120 pages
397. Parallel Spectral Numerical Methods
     Gong Chen, et al. | Wikibooks, Published in 2013
398. Topics in Geometry
     John O'Connor | University of St Andrews, Published in 2003
399. Combinatorial Theory
     Gian-Carlo Rota | , Published in 1998, 414 pages
400. Introduction to Differential Topology, de Rham Theory and Morse Theory
     Michael Muger | Radboud University, Published in 2005, 80 pages
401. Stacks Project
     Johan de Jong, et al. | , Published in 2012, 3428 pages
402. The Elements of Non-Euclidean Geometry
     D.M.Y. Sommerville | G. Bell & Sons Ltd., Published in 1919, 300 pages
403. An Introduction to Geometry
     Wong Yan Loi | National University of Singapore, Published in 2021, 145 pages
404. n-Linear Algebra of Type I and Its Applications
     W. B. V. Kandasamy, F. Smarandache | InfoLearnQuest, Published in 2008, 120 pages
405. Differential Geometrical Theory of Statistics
     Frederic Barbaresco, Frank Nielsen (eds) | MDPI AG, Published in 2017, 474 pages
406. The Calculus Of Finite Differences
     L. M. Milne Thomson | Macmillan and co, Published in 1933, 590 pages
407. Cribbage: A Strategy Guide for Beginners
     Jake Magnum | Smashwords, Published in 2016, 122 pages
408. Lectures on Random Polymers
     F. Caravenna, F. den Hollander, N. Petrelis | arXiv, Published in 2011, 74 pages
409. An Introduction to Determinants
     William Thomson | , Published in 1882, 122 pages
410. Varieties of Lattices
     Peter Jipsen, Henry Rose | Springer, Published in 1992, 168 pages
411. Introduction to Representation Theory
     Pavel Etingof, at al. | MIT, Published in 2009, 99 pages
412. Basic Analysis: Introduction to Real Analysis
     Jiri Lebl | Lulu.com, Published in 2009, 161 pages
413. Real Functions in One Variable: Simple Differential Equations I
     Leif Mejlbro | BookBoon, Published in 2007, 118 pages
414. The Algebra of Logic
     Louis Couturat | Project Gutenberg, Published in 2004, 102 pages
415. Riemannian Geometry
     Ilkka Holopainen, Tuomas Sahlsten | , Published in 2013, 102 pages
416. Super Special Codes using Super Matrices
     W.B.V. Kandasamy, F. Smarandache, K.Ilanthenral | arXiv, Published in 2010, 161 pages
417. Dynamics, Ergodic Theory, and Geometry
     Boris Hasselblatt | Cambridge University Press, Published in 2007, 334 pages
418. Open Trigonometry: Basic to Advanced
     | Wikibooks, Published in 2014, 51 pages
419. Lectures on Fundamental Concepts of Algebra and Geometry
     John Wesley Young | Macmillan and co., Published in 1917, 264 pages
420. Topology Without Tears
     Sidney A. Morris | , Published in 2007, 373 pages
421. Arithmetic for Engineers
     Charles B. Clapham | Chapman & Hall, Published in 1925, 526 pages
422. Lectures on Representation Theory and Invariant Theory
     William Crawley-Boevey | University of Leeds, Published in 1990, 77 pages
423. Introduction to Probability
     Leif Mejlbro | BookBoon, Published in 2009, 61 pages
424. Topology of Stratified Spaces
     Greg Friedman, et al. | Cambridge University Press, Published in 2011, 477 pages
425. Abel's Theorem and the Allied Theory
     H.F. Baker | Cambridge University Press, Published in 1897, 712 pages
426. Fundamentals of Analysis
     W W L Chen | Macquarie University, Published in 2008, 152 pages
427. Functors and Categories of Banach Spaces
     Peter W. Michor | Springer, Published in 1978, 103 pages
428. Easy Mathematics: Arithmetic and Algebra for General Readers
     Oliver Lodge | The Macmillan Company, Published in 1910, 466 pages
429. Matroid Decomposition
     Klaus Truemper | Leibniz, Published in 1998, 398 pages
430. The Calculus
     William V. Smith | Brigham Young University, Published in 2001, 144 pages
431. Entropy and Partial Differential Equations
     Lawrence C. Evans | UC Berkeley, Published in 2003, 213 pages
432. Methods for Finding Zeros in Polynomials
     Leif Mejlbro | BookBoon, Published in 2011, 122 pages
433. Nonlinear Fourier Analysis
     Terence Tao, Christoph Thiele | arXiv, Published in 2012, 98 pages
434. Elliptic Integrals
     Harris Hancock | J. Wiley, Published in 1917, 118 pages
435. Universal Optimization and Its Application
     Alexander Bolonkin | viXra.org, Published in 2017, 161 pages
436. Graph Theory: Advanced Algorithms and Applications
     Beril Sirmacek (ed.) | InTech, Published in 2018, 196 pages
437. Trends in Commutative Algebra
     Luchezar L. Avramov, at al. | Cambridge University Press, Published in 2005, 264 pages
438. Geometric Models for Noncommutative Algebra
     Ana Cannas da Silva, Alan Weinstein | University of California at Berkeley, Published in 1998, 194 pages
439. Applied Multivariate Statistical Analysis
     Wolfgang K. Hardle, Leopold Simar | Springer, Published in 2003, 488 pages
440. Brief Calculus
     Benjamin Crowell | , Published in 2015, 207 pages
441. Flatland: A Romance of Many Dimensions
     Edwin A. Abbot | Seeley and Co., Published in 1884, 120 pages
442. Quantum Physics, Relativity, and Complex Spacetime
     Gerald Kaiser | University of Massachusetts at Lowell, Published in 2003, 252 pages
443. Introduction To Algebraical Geometry
     A. Clement Jones | Oxford University Press, Published in 1912, 558 pages
444. Continuous Groups Of Transformations
     Luther Pfahler Eisenhart | Princeton University Press, Published in 1933, 319 pages
445. Quick Tour of the Topology of R
     StevenHurder, DaveMarker | University of Illinois at Chicago, Published in 2003, 48 pages
446. The Foundations of Geometry
     David Hilbert | Project Gutenberg, Published in 1902, 101 pages
447. Model Theory
     Stephen G. Simpson | The Pennsylvania State University, Published in 1998, 127 pages
448. Encyclopedia of Mathematics
     | Kluwer Academic Publishers, Published in 2002, 1202 pages
449. Differentiable Manifolds
     Nigel Hitchin | , Published in 2003, 94 pages
450. Topics in Logic and Foundations
     Stephen G. Simpson | The Pennsylvania State University, Published in 2005, 89 pages
451. A First Course in Linear Algebra
     Ken Kuttler | Lyryx, Published in 2017, 608 pages
452. Algebraic Curves: an Introduction to Algebraic Geometry
     William Fulton | Benjamin, Published in 1969, 129 pages
453. Differential Calculus for Beginners
     Alfred Lodge | Deighton, Bell, & Co., Published in 1905, 322 pages
454. Linear Algebra, Infinite Dimensions, and Maple
     James V. Herod | Georgia Tech, Published in 1997
455. Lectures On Irregularities Of Distribution
     Wolfgang M. Schmidt | Tata Institute of Fundamental Research, Published in 1977, 137 pages
456. Multivariable and Vector Analysis
     W W L Chen | Macquarie University, Published in 2008, 203 pages
457. Origami and Geometric Constructions
     Robert J. Lang | , Published in 2003, 55 pages
458. Tensor Trigonometry
     A.S. Ninul | FIZMATLIT, Published in 2021, 320 pages
459. Optimization and Dynamical Systems
     U. Helmke, J. B. Moore | Springer, Published in 1996, 414 pages
460. Seeing Theory: A visual introduction to probability and statistics
     T. Devlin, J. Guo, D. Kunin, D. Xiang | Brown University, Published in 2018, 66 pages
461. A Summary of Calculus
     Karl Heinz Dovermann | University of Hawaii, Published in 2003, 164 pages
462. Langlands Correspondence for Loop Groups
     Edward Frenkel | Cambridge University Press, Published in 2007, 393 pages
463. Engineering Mathematics with Tables
     M.A. Keasey, G.A. Kline, D.A. McIlhatten | The Blakiston company, Published in 1940, 376 pages
464. Elements of Algebra
     Arthur Schultze | The Macmillan Company, Published in 1917, 377 pages
465. Stats without Tears
     Stan Brown | BrownMath.com, Published in 2016, 243 pages
466. A History of Mathematics
     Florian Cajori | The MacMillan Company, Published in 1909, 556 pages
467. Graduate Algebra
     Leonard Evens | Northwestern University, Published in 1999, 160 pages
468. First Course in Statistics
     D Caradog Jones | G Bell, Published in 1921, 288 pages
469. An introduction to Noncommutative Projective Geometry
     D. Rogalski | arXiv, Published in 2014, 55 pages
470. Topics in Differential Geometry
     Peter W. Michor | American Mathematical Society, Published in 2008, 429 pages
471. Residues and Duality
     Robin Hartshorne | Springer, Published in 1966, 434 pages
472. Riemannian Geometry: Definitions, Pictures, and Results
     Adam Marsh | arXiv, Published in 2014, 69 pages
473. Data Assimilation: A Mathematical Introduction
     K.J.H. Law, A.M. Stuart, K.C. Zygalakis | arXiv.org, Published in 2015, 158 pages
474. Introduction to Homological Geometry
     Martin A. Guest | arXiv, Published in 2001
475. Linear Algebra Done Wrong
     Sergei Treil | , Published in 2004, 222 pages
476. Geometry and the Imagination
     Conway, Doyle, Thurston | Rutgers University, Newark, Published in 2018, 116 pages
477. Numerical Algorithms: Methods for Computer Vision, Machine Learning, and Graphics
     Justin Solomon | CRC Press, Published in 2015, 397 pages
478. Differential Equations From The Algebraic Standpoint
     Joseph Fels Ritt | The American Mathematical Society, Published in 1932, 201 pages
479. Algorithmic Number Theory
     J.P. Buhler, P. Stevenhagen | Cambridge University Press, Published in 2008, 662 pages
480. Category Theory for the Sciences
     David I. Spivak | The MIT Press, Published in 2014, 496 pages
481. A Course of Pure Geometry: Properties of the Conic Sections
     E.H. Askwith | Cambridge University Press, Published in 1917, 314 pages
482. Constructive Geometry
     John G. Kerr | Blackie And Son Limited., Published in 1904, 135 pages
483. Category Theory for Computing Science
     Michael Barr, Charles Wells | Prentice Hall, Published in 1998, 544 pages
484. Lectures on Mean Periodic Functions
     J.P. Kahane | Tata Institute of Fundamental Research, Published in 1959, 165 pages
485. Just the Maths
     A. J. Hobson | , Published in 2002, 1296 pages
486. Philosophy and Fun of Algebra
     Mary Everest Boole | C. W. Daniel, Published in 1891, 56 pages
487. An Introduction to Set Theory
     William A. R. Weiss | University of Toronto, Published in 2008, 119 pages
488. Lectures on Sieve Methods and Prime Number Theory
     Y. Motohashi | Tata Institute of Fundamental Research, Published in 1983, 181 pages
489. The Elements of the Theory of Algebraic Numbers
     Legh Wilber Reid | The Macmillan company, Published in 1910, 488 pages
490. Some Fundamental Theorems in Mathematics
     Oliver Knill | arXiv.org, Published in 2018, 133 pages
491. Famous Problems of Elementary Geometry
     Felix Klein | Ginn and Co., Published in 1897, 108 pages
492. Basic Category Theory
     Tom Leinster | arXiv, Published in 2016, 191 pages
493. Applied Statistics
     Mohammed A. Shayib | Bookboon, Published in 2013, 300 pages
494. Advanced Calculus and Analysis
     Ian Craw | University of Aberdeen, Published in 2000, 110 pages
495. Geometry of Surfaces
     Nigel Hitchin | , Published in 2013, 101 pages
496. A First Course on Time Series Analysis with SAS
     Michael Falk at al. | University of Wuerzburg, Published in 2011, 364 pages
497. Topics in Real and Functional Analysis
     Gerald Teschl | Universitaet Wien, Published in 2016, 486 pages
498. The Calculus for Beginners
     John William Mercer | Cambridge University Press, Published in 1914, 470 pages
499. Lectures on the topological recursion for Higgs bundles and quantum curves
     Olivia Dumitrescu, Motohico Mulase | arXiv, Published in 2015, 69 pages
500. Category Theory for Programmers
     Bartosz Milewski | unglue.it, Published in 2017, 510 pages