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. Methods for Finding Zeros in Polynomials
   Leif Mejlbro | BookBoon, Published in 2011, 122 pages
2. Multivariable Calculus: Applications and Theory
   Kenneth Kuttler | Brigham Young University, Published in 2011, 466 pages
3. A Panoramic View of Riemannian Geometry
   Marcel Berger | Springer, Published in 2002, 874 pages
4. Lectures On Approximation By Polynomials
   J.G. Burkill | Tata Institute of Fundamental Research, Published in 1959, 75 pages
5. Introduction to the Theory of Fourier's Series and Integrals
   H. S. Carslaw | Macmillan and co., Published in 1921, 346 pages
6. Fractal Geometry
   Michael Frame, Benoit Mandelbrot, Nial Neger | Yale University, Published in 2009, 323 pages
7. Practical Foundations of Mathematics
   Paul Taylor | Cambridge University Press, Published in 1999, 588 pages
8. Partial Differential Equations
   Erich Miersemann | Leipzig University, Published in 2012, 205 pages
9. Coalgebras and Modal Logic
   Alexander Kurz | ESSLLI, Published in 2002, 100 pages
10. C*-algebras
    John Erdos | King's College, London, Published in 2003, 51 pages
11. A Spiral Workbook for Discrete Mathematics
    Harris Kwong | Open SUNY Textbooks, Published in 2015, 307 pages
12. Notes on Algebraic Structures
    Peter J. Cameron | Queen Mary, University of London, Published in 2006, 102 pages
13. Lectures on Curves on Rational and Unirational Surfaces
    Masayoshi Miyanishi | Tata Institute of Fundamental Research, Published in 1978, 267 pages
14. Topology
    Curtis T. McMullen | Harvard University, Published in 2013, 90 pages
15. Endless Amusement
    | Lea and Blanchard, Published in 1847, 217 pages
16. Manifolds: Current Research Areas
    Paul Bracken (ed.) | InTech, Published in 2017, 158 pages
17. First Year Calculus
    W W L Chen | Macquarie University, Published in 2008, 238 pages
18. Linear Algebra
    Benjamin McKay | University College Cork, Published in 2008, 263 pages
19. Introduction to Infinitesimal Analysis: Functions of One Real Variable
    N. J. Lennes | John Wiley & Sons, Published in 1907, 225 pages
20. Nonlinear Parameter Estimation: An Integrated System in Basic
    John C. Nash | Marcel Dekker Inc, Published in 1995, 493 pages
21. Chaos: Classical and Quantum
    Predrag Cvitanovic | ChaosBook.org, Published in 2008, 813 pages
22. Logic for Computer Science
    Jean H. Gallier | Longman Higher Education, Published in 1986, 528 pages
23. Interactive Real Analysis
    Bert G. Wachsmuth | Seton Hall University, Published in 2007
24. Mathematics for the Practical Man
    George Howe | Van Nostrand, Published in 1918, 221 pages
25. Topics in Logic and Foundations
    Stephen G. Simpson | The Pennsylvania State University, Published in 2005, 89 pages
26. Category Theory for Scientists
    David I. Spivak | arXiv, Published in 2013, 261 pages
27. Introduction to Numerical Methods and Matlab Programming for Engineers
    Todd Young, Martin J. Mohlenkamp | Ohio University, Published in 2017, 182 pages
28. Lectures on Differential Geometry
    John Douglas Moore | University of California, Published in 2009, 263 pages
29. Differential and Integral Calculus
    C. E. Love, E. D. Rainville | The MacMillan Company, Published in 1916, 369 pages
30. Higher Topos Theory
    Jacob Lurie | Princeton University Press, Published in 2009, 943 pages
31. Applied Probability
    Paul E Pfeiffer | Connexions, Published in 2008, 634 pages
32. Bayesian Networks: Advances and Novel Applications
    Douglas McNair (ed.) | IntechOpen, Published in 2019, 256 pages
33. The Geometry of Iterated Loop Spaces
    J. P. May | Springer, Published in 1972, 175 pages
34. Lectures on the topological recursion for Higgs bundles and quantum curves
    Olivia Dumitrescu, Motohico Mulase | arXiv, Published in 2015, 69 pages
35. Linear Partial Differential Equations and Fourier Theory
    Marcus Pivato | Cambridge University Press, Published in 2005, 619 pages
36. Mathematical Omnibus: Thirty Lectures on Classic Mathematics
    Dmitry Fuchs, Sergei Tabachnikov | American Mathematical Society, Published in 2007, 465 pages
37. Special Fuzzy Matrices for Social Scientists
    W. B. V. Kandasamy, F. Smarandache, K. Ilanthenral | InfoLearnQuest, Published in 2007, 302 pages
38. Lectures On Levi Convexity Of Complex Manifolds And Cohomology Vanishing Theorems
    E. Vesentini | Tata Institute Of Fundamental Research, Published in 1967, 114 pages
39. An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics
    William Elwood Byerly | Ginn and company, Published in 1893, 309 pages
40. Solving PDEs in Python
    Hans Petter Langtangen, Anders Logg | Springer, Published in 2017, 148 pages
41. Wave Propagation Analysis with Boundary Element Method
    Chiara Guardasoni | Ledizioni LediPublishing, Published in 2010, 130 pages
42. Theory of Groups of Finite Order
    William Burnside | Cambridge University Press, Published in 1897, 456 pages
43. Lectures on Siegel's Modular Functions
    H. Maass | Tata Institute of Fundamental Research, Published in 1955, 286 pages
44. Lectures on Integrable Probability
    Alexei Borodin, Vadim Gorin | arXiv, Published in 2012, 63 pages
45. Advanced Stochastic Processes
    Jan A. Van Casteren | Bookboon, Published in 2013, 404 pages
46. Lectures on The Riemann Zeta-Function
    K. Chandrasekharan | Tata Institute of Fundamental Research, Published in 1953, 154 pages
47. Functional Analysis
    Alexander C. R. Belton | Lancaster University, Published in 2006, 127 pages
48. Mathematical Methods of Engineering Analysis
    Erhan Cinlar, Robert J. Vanderbei | , Published in 2000, 119 pages
49. History of Modern Mathematics
    David Eugene Smith | Columbia University, Published in 1906, 75 pages
50. Lectures on Analytic Number Theory
    H. Rademacher | Tata Institute of Fundamental Research, Published in 1955, 283 pages
51. Stochastic Analysis - Notes
    I. F. Wilde | , Published in 2009, 103 pages
52. Projective and Polar Spaces
    Peter J. Cameron | Queen Mary College, Published in 1991, 147 pages
53. Hyperbolic Manifolds, Discrete Groups and Ergodic Theory
    Curtis T. McMullen | Harvard University, Published in 2011, 118 pages
54. Noncompact Harmonic Manifolds
    Gerhard Knieper, Norbert Peyerimhoff | arXiv, Published in 2013, 84 pages
55. Applied Combinatorics
    S. E. Payne | University of Colorado, Published in 2003, 216 pages
56. Smooth Numbers: Computational Number Theory and Beyond
    Andrew Granville | Universite de Montreal, Published in 2008, 58 pages
57. Frobenius Splittings and B-Modules
    Wilberd van der Kallen | Springer, Published in 1993, 112 pages
58. The Elements of Non-Euclidean Plane Geometry and Trigonometry
    Horatio Scott Carslaw | Longmans, Green and co., Published in 1916, 202 pages
59. Lectures on Stochastic Processes
    K. Ito | Tata Institute of Fundamental Research, Published in 1960, 207 pages
60. Statistics
    | Wikibooks, Published in 2013, 236 pages
61. Real Functions in One Variable: Examples of Integrals
    Leif Mejlbro | BookBoon, Published in 2007, 154 pages
62. Mathematics for Engineers
    William Neville Rose | Chapman, Published in 1922
63. An Introduction to K-theory and Cyclic Cohomology
    Jacek Brodzki | arXiv, Published in 1996, 115 pages
64. Probability for Finance
    Patrick Roger | BookBoon, Published in 2010, 115 pages
65. Lectures on Differential Geometry
    Wulf Rossmann | University of Ottawa, Published in 2003, 221 pages
66. An Introduction to Mathematical Logic
    Wolfram Pohlers, Thomas Glass | , Published in 1992, 229 pages
67. Introduction to Differential Topology, de Rham Theory and Morse Theory
    Michael Muger | Radboud University, Published in 2005, 80 pages
68. Knot Invariants and Higher Representation Theory
    Ben Webster | arXiv, Published in 2013, 87 pages
69. Dynamic Programming and Bayesian Inference: Concepts and Applications
    Mohammad Saber Fallah Nezhad (ed.) | InTech, Published in 2014, 164 pages
70. Algebraic Geometry over the Complex Numbers
    Donu Arapura | Purdue University, Published in 2009, 234 pages
71. Functions of a Complex Variable
    Thomas S. Fiske | John Wiley & sons, Published in 1907, 122 pages
72. Monotone Dynamical Systems
    M.W. Hirsch, Hal Smith | , Published in 2004, 136 pages
73. Operators on Hilbert Space
    John Erdos | King's College London, Published in 2004, 52 pages
74. Finite Difference Computing with PDEs
    Hans Petter Langtangen, Svein Linge | Springer, Published in 2017, 507 pages
75. Introduction to Topological Groups
    Dikran Dikranjan | UCM, Published in 2007, 69 pages
76. A Probability Course for the Actuaries
    Marcel B. Finan | Arkansas Tech University, Published in 2011, 517 pages
77. Global Theory Of Minimal Surfaces
    David Hoffman | American Mathematical Society, Published in 2005, 808 pages
78. Spherical Harmonics in p Dimensions
    Christopher Frye, Costas J. Efthimiou | arXiv, Published in 2012, 95 pages
79. Galois Groups and Fundamental Groups
    David Meredith | San Francisco State University, Published in 1999, 89 pages
80. Lie Algebras
    Shlomo Sternberg | , Published in 2004, 198 pages
81. Lectures on Siegel Modular Forms and Representation by Quadratic Forms
    Y. Kitaoka | Tata Institute of Fundamental Research, Published in 1986, 197 pages
82. A Primer on Homotopy Colimits
    Daniel Dugger | University of Oregon, Published in 2008, 72 pages
83. A Reform Approach to Business Calculus
    Marcel B. Finan | Arkansas Tech University, Published in 2003, 150 pages
84. An Introduction to Real Analysis
    John K. Hunter | University of California Davis, Published in 2014, 305 pages
85. Advanced Topics in Probability
    S.R.S. Varadhan | New York University, Published in 2011, 203 pages
86. Counting Rocks! An Introduction to Combinatorics
    Henry Adams, et al. | arXiv.org, Published in 2021, 220 pages
87. Differential Topology of Fiber Bundles
    Karl-Hermann Neeb | FAU Erlangen-Nuernberg, Published in 2010, 146 pages
88. Natural Topology
    Frank Waaldijk | arXiv, Published in 2012, 174 pages
89. Higher Mathematics for Students of Chemistry and Physics
    Joseph William Mellor | Longmans, Green, Published in 1902, 580 pages
90. Mathematical Analysis I
    Elias Zakon | The Trillia Group, Published in 2004, 367 pages
91. Lectures On Galois Cohomology of Classical Groups
    M. Kneser | Tata Institute of Fundamental Research, Published in 1969, 212 pages
92. Numerical Analysis for Engineering
    Douglas W. Harder, Richard Khoury | University of Waterloo, Published in 2010
93. Notes on Differential Geometry
    Noel J. Hicks | Van Nostrand, Published in 1965, 183 pages
94. Galois Theory
    Miles Reid | University of Warwick, Published in 2004, 89 pages
95. Descriptive Set Theory
    David Marker | University of Illinois at Chicago, Published in 2002, 105 pages
96. Lectures On Unique Factorization Domains
    P. Samuel | Tata Institute Of Fundamental Research, Published in 1964, 17 pages
97. First Course in Statistics
    D Caradog Jones | G Bell, Published in 1921, 288 pages
98. Rotations of Vectors Via Geometric Algebra
    James A. Smith | viXra, Published in 2016, 76 pages
99. Universal Optimization and Its Application
    Alexander Bolonkin | viXra.org, Published in 2017, 161 pages
100. Theory of the Integral
     Stanislaw Saks | Polish Mathematical Society, Published in 1937, 347 pages
101. Vector Calculus, with Applications to Physics
     James Byrnie Shaw | D. Van Nostrand company, Published in 1922, 338 pages
102. The Algebraic Theory of Modular Systems
     Francis Sowerby Macaulay | Cambridge University Press, Published in 1916, 140 pages
103. Undergraduate Analysis Tools
     Bruce K. Driver | University of California, San Diego, Published in 2013, 186 pages
104. The Elements Of Non-Euclidean Geometry
     Julian Lowell Coolidge | Oxford At The Clarendon Press, Published in 1909, 282 pages
105. The Canterbury Puzzles and Other Curious Problems
     Henry Ernest Dudeney | Nelson, Published in 1919, 257 pages
106. Isabelle/HOL: A Proof Assistant for Higher-Order Logic
     T. Nipkow, L.C. Paulson, M. Wenzel | Springer, Published in 2010, 223 pages
107. Differential Geometry Course Notes
     Richard Koch | University of Oregon, Published in 2005, 188 pages
108. Lectures on The Theory of Functions of Several Complex Variables
     B. Malgrange | Tata Institute of Fundamental Research, Published in 1958, 138 pages
109. Modeling, Functions, and Graphs: Algebra for College Students
     Katherine Yoshiwara | Los Angeles Pierce College, Published in 2017, 344 pages
110. Probability and Statistics Cookbook
     Matthias Vallentin | , Published in 2012, 31 pages
111. Algebraic K-Theory
     Olivier Isely | EPFL, Published in 2006, 45 pages
112. Mathematics for Technical Schools
     J.M. Warren, W.H. Rutherford | Copp, Clark, Published in 1921, 356 pages
113. Symbolic Logic: A First Course
     Gary Hardegree | Mcgraw-Hill College, Published in 1999, 468 pages
114. Statistics: Methods and Applications
     Thomas Hill, Paul Lewicki | StatSoft, Inc., Published in 2005, 800 pages
115. Ordinary Differential Equations: A Systems Approach
     Bruce P. Conrad | , Published in 2010, 1125 pages
116. Projective Differential Geometry Old and New
     V. Ovsienko, S. Tabachnikov | Cambridge University Press, Published in 2004, 281 pages
117. Essential Mathematics
     Franco Vivaldi | , Published in 2006, 74 pages
118. Rational Amusement for Winter Evenings
     John Jackson | Longman, Published in 1821, 138 pages
119. Lecture notes on C*-algebras, Hilbert C*-modules, and quantum mechanics
     N.P. Landsman | arXiv, Published in 1998, 90 pages
120. An Elementary Course in Synthetic Projective Geometry
     Derrick Norman Lehmer | Project Gutenberg, Published in 2005, 120 pages
121. Combinatorial Knot Theory
     Louis H. Kauffman | University of Illinois at Chicago, Published in 2009, 159 pages
122. Calculus Made Easy
     Silvanus P. Thompson | The MacMillan Company, Published in 1914, 315 pages
123. The Elements of Analytic Geometry
     Percey F. Smith, A. S. Gale | Ginn & company, Published in 1904, 450 pages
124. Symbolic Tensor Calculus on Manifolds: a SageMath Implementation
     Eric Gourgoulhon, Marco Mancini | arXiv.org, Published in 2018, 72 pages
125. Notes on the course Algebraic Topology
     Boris Botvinnik | University of Oregon, Published in 2010, 181 pages
126. The Theory of Lie Derivatives and Its Applications
     Kentaro Yano | North Holland Publishing Co., Published in 1955, 321 pages
127. Geometry, Topology and Physics
     Maximilian Kreuzer | Technische Universitat Wien, Published in 2010, 69 pages
128. Advanced Algebra
     Herbert E. Hawkes | Ginn and Company, Published in 1905, 314 pages
129. A Feel for Statistics
     Ivan Lowe | scientificlanguage.com, Published in 2016, 121 pages
130. Orthonormal Basis in Minkowski Space
     Aleks Kleyn, Alexandre Laugier | arXiv, Published in 2012, 132 pages
131. Introduction to the Numerical Integration of PDEs
     B. Piette | University of Durham, Published in 2004, 89 pages
132. College Algebra
     Paul Dawkins | Lamar University, Published in 2011, 352 pages
133. Abelian Varieties
     J. S. Milne | , Published in 2008, 172 pages
134. Commutative Algebra
     Keerthi Madapusi | Harvard University, Published in 2007, 177 pages
135. Algebra I
     | CK-12 Foundation, Published in 2009, 992 pages
136. Notes on Symmetric Spaces
     Jonathan Holland, Bogdan Ion | arXiv, Published in 2012, 109 pages
137. Design of Comparative Experiments
     R. A. Bailey | Cambridge University Press, Published in 2008, 348 pages
138. Transmutations and Applications: a survey
     Sergei M. Sitnik | arXiv, Published in 2010, 141 pages
139. Comments and topics on Smarandache notions and problems
     Kenichiro Kashihara | Erhus University Press, Published in 1996, 50 pages
140. Trigonometry Notes
     Steven Sy | Michigan State University, Published in 2008, 448 pages
141. Topics in Differential Geometry
     Peter W. Michor | American Mathematical Society, Published in 2008, 429 pages
142. Functional Analysis
     Gerald Teschl | University of Vienna, Published in 2009, 142 pages
143. Basic Analysis Gently Done: Topological Vector Spaces
     Ivan F. Wilde | King's College, London, Published in 2010, 129 pages
144. Random Graphs and Complex Networks
     Remco van der Hofstad | Eindhoven University of Technology, Published in 2010, 363 pages
145. The Algebra of Invariants
     J.H. Grace, A. Young | Cambridge, University Press, Published in 1903, 404 pages
146. Statistics
     Philip B. Stark | University of California, Berkeley, Published in 2011
147. Smarandache Semigroups
     W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 95 pages
148. Applied Mathematical Programming Using Algebraic Systems
     Bruce A. McCarl, Thomas H. Spreen | Texas A&M University, Published in 2011, 567 pages
149. Lecture Notes on the Theory of Distributions
     Guenther Hoermann, Roland Steinbauer | Universitaet Wien, Published in 2009, 160 pages
150. Lectures on the Mean-Value and Omega Theorems for the Riemann Zeta-Function
     K. Ramachandra | Tata Institute of Fundamental Research, Published in 1995, 190 pages
151. Medians and Means in Riemannian Geometry: Existence, Uniqueness and Computation
     M. Arnaudon, F. Barbaresco, L. Yang | arXiv, Published in 2011, 48 pages
152. Computing of the Complex Variable Functions
     Solomon I. Khmelnik, Inna S. Doubson | MiC, Published in 2011, 46 pages
153. Lectures on Fibre Bundles and Differential Geometry
     J.L. Koszul | Tata Institute of Fundamental Research, Published in 1960, 105 pages
154. Higher Algebra
     Jacob Lurie | Harvard University, Published in 2017, 1166 pages
155. Essentials of Statistics: Exercises
     David Brink | BookBoon, Published in 2008, 58 pages
156. Lectures on Symplectic Geometry
     Ana Cannas da Silva | Springer, Published in 2006, 225 pages
157. Partial Differential Equations for Finance
     Robert V. Kohn | New York University, Published in 2003, 121 pages
158. Harmonic Function Theory
     Sheldon Axler, Paul Bourdon, Wade Ramey | Springer, Published in 2001, 270 pages
159. An Introduction to Complex Algebraic Geometry
     Chris Peters | Institut Fourier Grenoble, Published in 2004, 129 pages
160. Elementary Mathematical Analysis
     J.W. Young, F.M. Morgan | The Macmillan Company, Published in 1917, 586 pages
161. Practical Mathematics
     Cargill Gilston Knott | Chambers, Published in 1914, 652 pages
162. Topology Lecture Notes
     Thomas Ward | UEA, Published in 2001, 88 pages
163. Mathematical Formula Handbook
     Wu-ting Tsai | National Taiwan University, Published in 2012, 28 pages
164. Introduction to Proof Theory
     Gilles Dowek | ESSLLI, Published in 2001, 82 pages
165. Elementary Linear Algebra
     Keith Matthews | University of Queensland, Published in 1998, 302 pages
166. Introduction to Representation Theory
     Fiona Murnaghan | University of Toronto, Published in 2010, 73 pages
167. Dynamical Systems
     Jose A. Tenreiro Machado (ed.) | MDPI AG, Published in 2014, 553 pages
168. Ordinary Differential Equations
     Stephen Wiggins | University of Bristol, Published in 2017, 146 pages
169. Collections of Problems on Smarandache Notions
     Charles Ashbacher | Erhus University Press, Published in 1996, 75 pages
170. Chaos Theory
     Kais A. Mohamedamen Al Naimee (ed.) | InTech, Published in 2018, 260 pages
171. Introduction to the Galois Theory of Linear Differential Equations
     Michael F. Singer | arXiv, Published in 2008, 83 pages
172. Lectures on Deformations of Singularities
     Michael Artin | Tata Institute of Fundamental Research, Published in 1976, 110 pages
173. The Mathematics of Investment
     William L.Hart | D.C Heath and Company, Published in 1924, 321 pages
174. Elements of Algebra
     Arthur Schultze | The Macmillan Company, Published in 1917, 377 pages
175. Statistical Tools for Economists
     Daniel McFadden | University of California, Berkeley, Published in 2001
176. Lecture Notes in Lie Groups
     Vladimir G. Ivancevic, Tijana T. Ivancevic | arXiv, Published in 2011, 74 pages
177. The Theory of Matrices
     C.C. MacDuffee | Chelsea, Published in 1956, 110 pages
178. Harmonic Analysis, the Trace Formula, and Shimura Varieties
     J. Arthur, D. Ellwood, R. Kottwitz | American Mathematical Society, Published in 2005, 706 pages
179. Operator Algebras and Quantum Statistical Mechanics
     Ola Bratteli, Derek W. Robinson | Springer, Published in 2003, 505 pages
180. On Lie Algebras Of Prime Characteristic
     George B. Seligman | American Mathematical Society, Published in 1956, 93 pages
181. Lie Groups, Physics, and Geometry
     Robert Gilmore | Drexel University, Published in 2007, 222 pages
182. An Introduction to Combinatorics and Graph Theory
     David Guichard | Whitman College, Published in 2017, 153 pages
183. Derivations of Applied Mathematics
     Thaddeus H. Black | Debian Project, Published in 2017, 742 pages
184. Functional Analysis Lecture Notes
     T.B. Ward | University of East Anglia, Published in 2001, 73 pages
185. Spherical Trigonometry
     I. Todhunter | Macmillan and co, Published in 1886, 189 pages
186. Linear Algebra
     Jim Hefferon | Saint Michael's College, Published in 2017, 507 pages
187. Differential Topology
     Bjorn Ian Dundas | Johns Hopkins University, Published in 2002, 183 pages
188. Introduction to Symplectic Field Theory
     Y. Eliashberg, A. Givental, H. Hofer | arXiv, Published in 2000, 102 pages
189. Course of Differential Geometry
     Ruslan Sharipov | Samizdat Press, Published in 2004, 132 pages
190. 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
191. A Concise Geometry
     Clement V. Durell | G. Bell And Sons Limited., Published in 1921, 333 pages
192. Iterative Methods for Sparse Linear Systems
     Yousef Saad | PWS, Published in 1996
193. CK-12 Trigonometry
     Mara Landers, Brenda Meery | CK-12 Foundation, Published in 2009, 629 pages
194. Lecture Notes on Seiberg-Witten Invariants
     John Douglas Moore | Springer, Published in 2010, 130 pages
195. Lectures on Cauchy Problem
     Sigeru Mizohata | Tata Institute of Fundamental Research, Published in 1965, 191 pages
196. Riemannian Submanifolds: A Survey
     Bang-Yen Chen | arXiv, Published in 2013, 272 pages
197. Algorithmic Number Theory
     J.P. Buhler, P. Stevenhagen | Cambridge University Press, Published in 2008, 662 pages
198. Statistics for Business and Economics
     Marcelo Fernandes | BookBoon, Published in 2009, 150 pages
199. Gauge Theory for Fiber Bundles
     Peter W. Michor | Universitaet Wien, Published in 1991, 106 pages
200. Combinatorics Through Guided Discovery
     Kenneth P. Bogart | Dartmouth College, Published in 2004, 202 pages
201. Random Differential Equations in Scientific Computing
     Tobias Neckel, Florian Rupp | De Gruyter Open, Published in 2013, 650 pages
202. Mathematical Foundations of Probability Theory
     Gane Samb Lo | arXiv.org, Published in 2018, 378 pages
203. Partial Differential Equations of Mathematical Physics
     William W. Symes | Rice University, Published in 2006, 105 pages
204. An Introductory Single Variable Real Analysis
     Marcel B. Finan | Arkansas Tech University, Published in 2009, 179 pages
205. An Elementary Treatise on Conic Sections
     Charles Smith | The Macmillan Company, Published in 1905, 378 pages
206. A First Course in Linear Algebra
     Ken Kuttler | Lyryx, Published in 2017, 608 pages
207. Introduction to Mathematical Analysis
     B. Lafferriere, G. Lafferriere, N. Mau Nam | Portland State University Library, Published in 2015, 141 pages
208. Tunneling Through the Math Barrier
     William J. Meese | arXiv.org, Published in 2018, 187 pages
209. Stochastic Processes
     David Nualart | The University of Kansas, Published in 2017, 82 pages
210. Linear Algebra: A Course for Physicists and Engineers
     Arak Mathai,‎ Hans J. Haubold | De Gruyter Open, Published in 2017, 450 pages
211. Advanced Graph Theory and Combinatorial Optimization
     Alexander Schrijver | , Published in 2012, 64 pages
212. Algebra for Beginners
     James Loudon | Copp, Clark & Co, Published in 1876, 172 pages
213. Statistical Theory
     Ryan Martin | University of Illinois at Chicago, Published in 2015, 117 pages
214. Introduction to Dynamical Systems: A Hands-on Approach with Maxima
     Jaime E. Villate | , Published in 2006, 43 pages
215. Quick Tour of the Topology of R
     StevenHurder, DaveMarker | University of Illinois at Chicago, Published in 2003, 48 pages
216. Logics of Time and Computation
     Robert Goldblatt | Center for the Study of Language, Published in 1992, 200 pages
217. Introduction to Shimura Varieties
     J.S. Milne | , Published in 2004, 149 pages
218. Differential Topology and Morse Theory
     Dirk Schuetz | University of Sheffield, Published in 2009, 96 pages
219. An Introduction to the Algebra of Quantics
     E.B. Elliott | The Clarendon Press, Published in 1913, 444 pages
220. Foundations of Infinitesimal Calculus
     K.D. Stroyan | Academic Press, Inc., Published in 1997, 182 pages
221. An Introduction to Riemannian Geometry
     Sigmundur Gudmundsson | Lund University, Published in 2010, 106 pages
222. A Primer of Commutative Algebra
     J.S. Milne | , Published in 2011, 75 pages
223. Geometric Wave Equations
     Stefan Waldmann | arXiv, Published in 2012, 279 pages
224. Abstract Algebra I
     Marcel B. Finan | Arkansas Tech University, Published in 2004
225. An Introduction to Nonassociative Algebras
     Richard D. Schafer | Project Gutenberg, Published in 2008, 81 pages
226. Discrete Differential Geometry: An Applied Introduction
     M. Desbrun, P. Schroeder, M. Wardetzky | Columbia University, Published in 2008, 103 pages
227. Logic and Proof
     Lawrence C Paulson | University of Cambridge, Published in 2002, 79 pages
228. Armstrong Calculus
     Jared Schlieper, Michael Tiemeyer | GALILEO, University System of Georgia, Published in 2015, 110 pages
229. scl
     Danny Calegari | Mathematical Society of Japan, Published in 2009, 218 pages
230. Neutral and Non-Euclidean Geometries
     David C. Royster | UNC Charlotte, Published in 2000, 145 pages
231. The Craft of Fractional Modelling in Science and Engineering
     Jordan Hristov (ed.) | MDPI AG, Published in 2018, 140 pages
232. Contributions to Fourier Analysis
     A. Zygmund, et al. | Princeton University Press, Published in 1950, 207 pages
233. Intuitive Infinitesimal Calculus
     Viktor Blasjo | Intellectual Mathematics, Published in 2015, 98 pages
234. Symplectic Geometry of Quantum Noise
     Leonid Polterovich | arXiv, Published in 2012, 57 pages
235. Lectures on Linear Logic
     A. S. Troelstra | CSLI, Published in 1992, 215 pages
236. Lectures on Holomorphic Functions of Several Complex Variables
     Piotr Jakobczak, Marek Jarnicki | Jagiellonian University, Published in 2001, 149 pages
237. Stochastic Differential Equations: Models and Numerics
     Anders Szepessy, et al. | KTH, Published in 2010, 202 pages
238. Lectures on Commutative Algebra
     Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2006, 64 pages
239. Higher Elementary Geometry
     Venugopal | , Published in 1958, 135 pages
240. Transformations of Surfaces
     Luther Pfahler Eisenhart | Princeton University Press, Published in 1923, 371 pages
241. A Mathematicians Miscellany
     J. E. Littlewood | Methuen And Company Limited, Published in 1953, 152 pages
242. Introductory Statistics: Concepts, Models, and Applications
     David W. Stockburger | Missouri State University, Published in 1996, 487 pages
243. Symmetry and Separation of Variables
     Willard Miller | Addison-Wesley, Published in 1977, 318 pages
244. Non-Euclidean Geometry: A Critical and Historical Study of its Development
     Roberto Bonola | Open Court Publishing Company, Published in 1912, 292 pages
245. An Infinitely Large Napkin
     Evan Chen | MIT, Published in 2016, 615 pages
246. Thin Groups and Superstrong Approximation
     Emmanuel Breuillard, Hee Oh (eds.) | Cambridge University Press, Published in 2014, 362 pages
247. Topics in Random Matrix Theory
     Terence Tao | , Published in 2011, 340 pages
248. Differential Equations with YouTube Examples
     Jeffrey R. Chasnov | BookBoon, Published in 2014, 57 pages
249. Indian Mathematics
     G. R. Kaye | Thacker, Spink & Co., Published in 1915, 102 pages
250. Multivariable Calculus
     Jerry Shurman | Reed College, Published in 2010, 523 pages
251. Contact Geometry
     Hansjoerg Geiges | arXiv, Published in 2004, 86 pages
252. Theory of Functions of a Real Variable
     Shlomo Sternberg | , Published in 2005, 393 pages
253. The Algebra of Logic
     Louis Couturat | Project Gutenberg, Published in 2004, 102 pages
254. Probability and Statistics for Geophysical Processes
     D. Koutsoyiannis | National Technical University of Athens, Published in 2008, 161 pages
255. The Theory Of Integration
     L. C. Young | Cambridge University Press, Published in 1927, 69 pages
256. Principles of Data Analysis
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491. Lectures in Basic Computational Numerical Analysis
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