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. Theory of Probability: A Historical Essay
   Oscar Sheynin | arXiv.org, Published in 2017, 316 pages
2. Lectures on Topics In One-Parameter Bifurcation Problems
   P. Rabier | Tata Institute of Fundamental Research, Published in 1985, 238 pages
3. Theory of Statistics
   James E. Gentle | George Mason University, Published in 2012, 900 pages
4. Mathematical Methods for Physical Sciences II
   Christoph Kirsch | University of North Carolina, Published in 2011, 209 pages
5. Theory of Symmetry and Ornament
   Slavik V. Jablan | Matematicki Institut, Published in 1995, 331 pages
6. Lectures on Fundamental Concepts of Algebra and Geometry
   John Wesley Young | Macmillan and co., Published in 1917, 264 pages
7. Understanding Algebra
   James W. Brennan | , Published in 2011, 106 pages
8. Functional Differential Geometry
   Gerald Jay Sussman, Jack Wisdom | MIT, Published in 2005, 77 pages
9. Basic Concepts of Mathematics
   Elias Zakon | The Trillia Group, Published in 2007, 208 pages
10. Understanding Calculus
    Faraz Hussain | , Published in 2008
11. A Handbook of Statistics
    Darius Singpurwalla | Bookboon, Published in 2013, 79 pages
12. The Calculus for Beginners
    John William Mercer | Cambridge University Press, Published in 1914, 470 pages
13. The Geometry and Topology of Braid Groups
    Jenny Wilson | University of Michigan, Published in 2018, 30 pages
14. The Canterbury Puzzles and Other Curious Problems
    Henry Ernest Dudeney | Nelson, Published in 1919, 257 pages
15. Actual Causality
    Joseph Y. Halpern | The MIT Press, Published in 2016, 240 pages
16. Chaos Theory
    Kais A. Mohamedamen Al Naimee (ed.) | InTech, Published in 2018, 260 pages
17. An Introduction to Combinatorics and Graph Theory
    David Guichard | Whitman College, Published in 2017, 153 pages
18. Elementary Linear Algebra
    Keith Matthews | University of Queensland, Published in 1998, 302 pages
19. Analytical Geometry for Beginners
    Alfred Baker | W. J. Gage, Published in 1905, 234 pages
20. Inner Algebra
    Aaron Maxwell | Lulu.com, Published in 2005, 94 pages
21. Higher Elementary Geometry
    Venugopal | , Published in 1958, 135 pages
22. Introduction to the Method of Multiple Scales
    Per Jakobsen | arXiv, Published in 2014, 65 pages
23. Mathematical Analysis II
    Elias Zakon | The TrilliaGroup, Published in 2009, 436 pages
24. A Primer on Mapping Class Groups
    Benson Farb, Dan Margalit | Princeton University Press, Published in 2011, 509 pages
25. Inside Out: Inverse Problems and Applications
    Gunther Uhlmann | Cambridge University Press, Published in 2003, 400 pages
26. Nonstandard Analysis in Topology
    Sergio Salbany, Todor Todorov | arXiv, Published in 2011, 48 pages
27. Algebraic Geometry
    J.S. Milne | , Published in 2008, 241 pages
28. First Principles of Symmetrical Beauty
    David Ramsay Hay | W. Blackwood and sons, Published in 1846, 305 pages
29. Course of Linear Algebra and Multidimensional Geometry
    Ruslan Sharipov | Samizdat Press, Published in 1996, 143 pages
30. Surreal Numbers: An Introduction
    Claus Tondering | , Published in 2013, 50 pages
31. Lectures on Entire Functions
    B. Ya. Levin | American Mathematical Society, Published in 1996, 265 pages
32. Contact Geometry
    Hansjoerg Geiges | arXiv, Published in 2004, 86 pages
33. Mathematical Recreations and Essays
    W. W. Rouse Ball | Macmillan, Published in 1914, 506 pages
34. Linear Programming
    Jim Burke | University of Washington, Published in 2012
35. Elementary Mathematical Analysis
    J.W. Young, F.M. Morgan | The Macmillan Company, Published in 1917, 586 pages
36. The Haskell Road to Logic, Maths and Programming
    Kees Doets, Jan van Eijck | College Publications, Published in 2004, 449 pages
37. Introduction to Representation Theory
    Fiona Murnaghan | University of Toronto, Published in 2010, 73 pages
38. Differential Geometry: A First Course in Curves and Surfaces
    Theodore Shifrin | University of Georgia, Published in 2015, 127 pages
39. Dynamical Systems
    Shlomo Sternberg | OER Commons, Published in 2000, 151 pages
40. Banach Modules and Functors on Categories of Banach Spaces
    J. Cigler, V. Losert, P.W. Michor | Marcel Dekker Inc, Published in 1979, 297 pages
41. Differential Geometry: Lecture Notes
    Dmitri Zaitsev | Trinity College Dublin, Published in 2004, 49 pages
42. Geometric Wave Equations
    Stefan Waldmann | arXiv, Published in 2012, 279 pages
43. Fundamentals of High School Mathematics
    Harold O. Rugg, John R. Clark | Yonkers-on-Hudson, N.Y., Published in 1918, 296 pages
44. A Brief History of Mathematics
    Karl Fink | Open Court Publishing Company, Published in 1900, 366 pages
45. Precalculus: An Investigation of Functions
    David Lippman, Melonie Rasmussen | Lulu.com, Published in 2011, 568 pages
46. Fundamentals of Analysis
    W W L Chen | Macquarie University, Published in 2008, 152 pages
47. Essential Engineering Mathematics
    Michael Batty | BookBoon, Published in 2011, 149 pages
48. Elementary Algebra
    John Redden | The Saylor Foundation, Published in 2011, 1334 pages
49. Set Theory
    Gary Hardegree | UMass Amherst, Published in 2003
50. Synthetic Geometry of Manifolds
    Anders Kock | University of Aarhus, Published in 2009, 314 pages
51. Vector Calculus, with Applications to Physics
    James Byrnie Shaw | D. Van Nostrand company, Published in 1922, 338 pages
52. Dynamics, Ergodic Theory, and Geometry
    Boris Hasselblatt | Cambridge University Press, Published in 2007, 334 pages
53. Introductory Statistics Notes
    Jamie DeCoster | University of Alabama, Published in 1998, 48 pages
54. Combinatorics Through Guided Discovery
    Kenneth P. Bogart | Dartmouth College, Published in 2004, 202 pages
55. Primary Mathematics
    | Wikibooks, Published in 2012
56. A Friendly Introduction to Mathematical Logic
    Christopher C. Leary, Lars Kristiansen | Milne Library Publishing, Published in 2015, 380 pages
57. Metric and Topological Spaces
    T. W. Körner | University of Cambridge, Published in 2014, 109 pages
58. Spherical Harmonics in p Dimensions
    Christopher Frye, Costas J. Efthimiou | arXiv, Published in 2012, 95 pages
59. Classical Algebraic Geometry: A Modern View
    Igor V. Dolgachev | Cambridge University Press, Published in 2012, 716 pages
60. Mathematical Tools for Physics
    James Nearing | Dover Publications, Published in 2010, 569 pages
61. A Probability Course for the Actuaries
    Marcel B. Finan | Arkansas Tech University, Published in 2011, 517 pages
62. Complex Variables with Applications
    Jeremy Orloff | LibreTexts, Published in 2021, 289 pages
63. Symmetry Groups and Their Applications
    Willard Miller | Academic Press, Published in 1972
64. Analytic Number Theory: A Tribute to Gauss and Dirichlet
    William Duke, Yuri Tschinkel | American Mathematical Society, Published in 2007, 266 pages
65. Mathematical Physics II
    Boris Dubrovin | SISSA, Published in 2008, 78 pages
66. Basic Algebra
    Anthony W. Knapp | , Published in 2016, 762 pages
67. Lectures on Differential Geometry
    John Douglas Moore | University of California, Published in 2009, 263 pages
68. Lectures on Singular Stochastic PDEs
    M. Gubinelli, N. Perkowski | arXiv, Published in 2015, 67 pages
69. Matroid Decomposition
    Klaus Truemper | Leibniz, Published in 1998, 398 pages
70. Calculus Unlimited
    Jerrold E. Marsden, A. Weinstein | Benjamin-Cummings Publishing Co., Published in 1981, 246 pages
71. First Course in the Theory of Equations
    Leonard E. Dickson | John Wiley & Sons, Published in 1922, 207 pages
72. Lectures on Quadratic Forms
    C.L. Siegel | Tata Institute of Fundamental Research, Published in 1957, 170 pages
73. Residues and Duality
    Robin Hartshorne | Springer, Published in 1966, 434 pages
74. First Steps Towards a Symplectic Dynamics
    Barney Bramham, Helmut Hofer | arXiv, Published in 2011, 60 pages
75. Lectures on Some Aspects of p-Adic Analysis
    F. Bruhat | Tata Institute of Fundamental Research, Published in 1963, 147 pages
76. A First Course in Linear Algebra
    Ken Kuttler | Lyryx, Published in 2017, 608 pages
77. Programming for Computations - Python
    Svein Linge, Hans Petter Langtangen | Springer, Published in 2016, 232 pages
78. Mathematics in the Age of the Turing Machine
    Thomas Hales | arXiv, Published in 2013, 45 pages
79. Lectures on Birational Geometry
    Caucher Birkar | arXiv, Published in 2012, 85 pages
80. Linear Algebra: A Course for Physicists and Engineers
    Arak Mathai,‎ Hans J. Haubold | De Gruyter Open, Published in 2017, 450 pages
81. An Elementary Treatise on Coordinate Geometry
    Robert J.T. Bell | Macmillan, Published in 1963, 398 pages
82. Multivector Differential Calculus
    Eckhard Hitzer | arXiv, Published in 2013, 43 pages
83. Vector Calculus: Course
    Peter Saveliev | , Published in 2013, 294 pages
84. Plane and Spherical Trigonometry in three parts
    Henry Bedingfield Goodwin | Longmans, Green, and Co., Published in 1907, 296 pages
85. Calculus for Mathematicians, Computer Scientists, and Physicists
    Andrew D. Hwang | Holy Cross, Published in 1998, 487 pages
86. An Introduction to Semialgebraic Geometry
    Michel Coste | Universite de Rennes, Published in 2002, 78 pages
87. Intro to Abstract Algebra
    Paul Garrett | , Published in 1998, 200 pages
88. Diffeomorphisms of Elliptic 3-Manifolds
    S. Hong, J. Kalliongis, D. McCullough, J. H. Rubinstein | arXiv, Published in 2011, 185 pages
89. Introduction to Probability
    C. M. Grinstead, J. L. Snell | American Mathematical Society, Published in 1997, 518 pages
90. Markov Chains and Stochastic Stability
    S.P. Meyn, R.L. Tweedie | Springer, Published in 2005, 567 pages
91. Semi-classical analysis
    Victor Guillemin, Shlomo Sternberg | Harvard University, Published in 2012, 488 pages
92. Toposes, Triples and Theories
    Michael Barr, Charles Wells | Springer-Verlag, Published in 2005, 302 pages
93. A Scrap-Book of Elementary Mathematics
    William F. White | The Open Court Publishing Company, Published in 1908, 234 pages
94. Lectures on Stratification of Complex Analytic Sets
    M.-H. Schwartz | Tata Institute of Fundamental Research, Published in 1966, 67 pages
95. Combinatorial Optimization: Exact and Approximate Algorithms
    Luca Trevisan | Stanford University, Published in 2011, 139 pages
96. Mathematics, Basic Math and Algebra
    | Naval Education and Training, Published in 2003, 296 pages
97. Linear Algebra C-2: Geometrical Vectors, Vector Spaces and Linear Maps
    Leif Mejlbro | BookBoon, Published in 2009, 126 pages
98. Galois Groups and Fundamental Groups
    Leila Schneps | Cambridge University Press, Published in 2003, 467 pages
99. Voting, Arbitration & Fair Division: Mathematics of Social Choice
    Marcus Pivato | Trent University, Published in 2007, 181 pages
100. Lectures on Elementary Probability
     William G. Faris | University of Arizona, Published in 2002, 62 pages
101. Design, Evaluation and Analysis of Combinatorial Optimization Heuristic Algorithms
     Daniel Karapetyan | arXiv, Published in 2012, 202 pages
102. Computational Category Theory
     D.E. Rydeheard, R.M. Burstall | , Published in 2001, 263 pages
103. Modular Forms, Hecke Operators, and Modular Abelian Varieties
     Kenneth A. Ribet, William A. Stein | University of Washington, Published in 2003, 154 pages
104. Parallel Spectral Numerical Methods
     Gong Chen, et al. | Wikibooks, Published in 2013
105. Real Harmonic Analysis
     Pascal Auscher, Lashi Bandara | ANU eView, Published in 2012, 113 pages
106. Harmonic Function Theory
     Sheldon Axler, Paul Bourdon, Wade Ramey | Springer, Published in 2001, 270 pages
107. Introduction to the Theory of Fourier's Series and Integrals
     H. S. Carslaw | Macmillan and co., Published in 1921, 346 pages
108. Groups and Semigroups: Connections and Contrasts
     John Meakin | University of Nebraska-Lincoln, Published in 2005, 40 pages
109. Fredholm Operators and Spectral Flow
     Nils Waterstraat | arXiv, Published in 2016, 61 pages
110. Introduction to Arithmetic Groups
     Dave Witte Morris | arXiv, Published in 2015, 491 pages
111. Complex Analytic and Differential Geometry
     Jean-Pierre Demailly | Universite de Grenoble, Published in 2007, 571 pages
112. Combinatorial and Computational Geometry
     J. E. Goodman, J. Pach, E. Welzl | Cambridge University Press, Published in 2007, 616 pages
113. Mathematics and Physics of Emerging Biomedical Imaging
     National Research Council | National Academies Press, Published in 1996, 238 pages
114. Arithmetic Duality Theorems
     J.S. Milne | BookSurge Publishing, Published in 2006, 347 pages
115. Notes on Introductory Point-Set Topology
     Allen Hatcher | Cornell University, Published in 2011, 53 pages
116. Linear Algebra: Foundations to Frontiers
     M.E. Myers, P.M. van de Geijn, R.A. van de Geijn | ulaff.net, Published in 2014, 905 pages
117. A Text-Book of Geometry
     G. A. Wentworth | Ginn & Company, Published in 1898, 264 pages
118. Category Theory: A Gentle Introduction
     Peter Smith | Logic Matters, Published in 2016, 283 pages
119. Numbers and Symbols: From Counting to Abstract Algebras
     Roy McWeeny | Learning Development Institute, Published in 2007, 53 pages
120. Notes on Category Theory with examples from basic mathematics
     Paolo Perrone | arXiv, Published in 2021, 181 pages
121. Probability, Random Processes, and Ergodic Properties
     Robert M. Gray | Springer, Published in 2008, 217 pages
122. Lectures on Calabi-Yau and Special Lagrangian Geometry
     Dominic Joyce | arXiv, Published in 2002, 58 pages
123. Calculus and Differential Equations
     John Avery | Learning Development Institute, Published in 2010, 137 pages
124. Algebra: A Computational Introduction
     John Scherk | Chapman & Hall, Published in 2000, 419 pages
125. Advanced Graph Theory and Combinatorial Optimization
     Alexander Schrijver | , Published in 2012, 64 pages
126. The Foundations of Geometry
     David Hilbert | Project Gutenberg, Published in 1902, 101 pages
127. Collections of Problems on Smarandache Notions
     Charles Ashbacher | Erhus University Press, Published in 1996, 75 pages
128. Introduction to Abstract Algebra
     D. S. Malik, John N. Mordeson, M.K. Sen | Creighton University, Published in 2007, 276 pages
129. Unfolding the Labyrinth: Open Problems in Mathematics, Physics, Astrophysics
     Florentin Smarandache, at al. | arXiv, Published in 2006, 139 pages
130. Lectures on Numerical Methods in Bifurcation Problems
     H.B. Keller | Tata Institute Of Fundamental Research, Published in 1986, 140 pages
131. Lectures on Deformations of Singularities
     Michael Artin | Tata Institute of Fundamental Research, Published in 1976, 110 pages
132. The Pythagorean Theorem: Crown Jewel of Mathematics
     John C. Sparks | AuthorHouse, Published in 2008, 190 pages
133. Lectures on Stochastic Flows and Applications
     H. Kunita | Tata Institute Of Fundamental Research, Published in 1986, 130 pages
134. Multivariable Calculus
     Wong Yan Loi | National University of Singapore, Published in 2013, 105 pages
135. Lectures on Linear Logic
     A. S. Troelstra | CSLI, Published in 1992, 215 pages
136. Determinants and Matrices
     R. Kochendörfer | Teubner, Published in 1961
137. Chebyshev and Fourier Spectral Methods
     John P. Boyd | Dover Publications, Published in 2001, 611 pages
138. Applied Mathematical Programming
     S. Bradley, A. Hax, T. Magnanti | Addison-Wesley, Published in 1977, 716 pages
139. Finite Group Representations for the Pure Mathematician
     Peter Webb | University of Minnesota, Published in 2007, 183 pages
140. Higher Mathematics for Students of Chemistry and Physics
     Joseph William Mellor | Longmans, Green, Published in 1902, 580 pages
141. An Invitation to Mathematics
     Arnold Dresden | H. Holt and Company, Published in 1936, 453 pages
142. Statistics Done Wrong
     Alex Reinhart | refsmmat.com, Published in 2013, 437 pages
143. Combinatorial Maps: Tutorial
     Dainis Zeps | Latvian University, Published in 2007, 61 pages
144. Lectures on Riemann Matrices
     C.L. Siegel | Tata Institute of Fundamental Research, Published in 1963, 101 pages
145. Endless Amusement
     | Lea and Blanchard, Published in 1847, 217 pages
146. The Theory of Numbers
     R. D. Carmichael | John Wiley & Sons, Published in 1914, 85 pages
147. Analysis Tools with Applications
     Bruce K. Driver | Springer, Published in 2003, 790 pages
148. Undergraduate Analysis Tools
     Bruce K. Driver | University of California, San Diego, Published in 2013, 186 pages
149. Yet Another Calculus Text
     Dan Sloughter | , Published in 2007, 147 pages
150. Hilbert Space Methods for Partial Differential Equations
     R. E. Showalter | Pitman, Published in 1994, 208 pages
151. Finite Group Schemes
     Richard Pink | ETH Zurich, Published in 2005, 78 pages
152. Solid Geometry, with Problems and Applications
     H. E. Slaught, N. J. Lennes | Allyn and Bacon, Published in 1919, 242 pages
153. Computational and Algorithmic Linear Algebra and n-Dimensional Geometry
     Katta G. Murty | , Published in 2001, 554 pages
154. Galois Theory
     Miles Reid | University of Warwick, Published in 2004, 89 pages
155. Theory of Functions of a Complex Variable
     Andrew Russell Forsyth | Cambridge University Press, Published in 1918, 892 pages
156. Partial Differential Equations with Maple
     Robert Piche, Keijo Ruohonen | Tampere University of Technology, Published in 1997, 131 pages
157. Dynamical Systems
     Jose A. Tenreiro Machado (ed.) | MDPI AG, Published in 2014, 553 pages
158. The Theory of Matrices
     C.C. MacDuffee | Chelsea, Published in 1956, 110 pages
159. Lectures on Curves on Rational and Unirational Surfaces
     Masayoshi Miyanishi | Tata Institute of Fundamental Research, Published in 1978, 267 pages
160. Tensor Calculus
     Taha Sochi | viXra, Published in 2016, 91 pages
161. Numerical Methods for Large Eigenvalue Problems
     Yousef Saad | SIAM, Published in 2011, 285 pages
162. Business Mathematics: A Textbook
     Edward I. Edgerton, Wallace E. Bartholomew | The Ronald Press Co., Published in 1921, 331 pages
163. Advanced Algebra
     Arthur Schultze | The Macmillan Company, Published in 1906, 588 pages
164. Foundations of Constructive Probability Theory
     Yuen-Kwok Chan | arXiv.org, Published in 2019, 517 pages
165. A First Course in Topology: Continuity and Dimension
     John McCleary | American Mathematical Society, Published in 2006, 210 pages
166. Statistics for Business and Economics
     Marcelo Fernandes | BookBoon, Published in 2009, 150 pages
167. Elementary Number Theory
     William Edwin Clark | University of South Florida, Published in 2002, 129 pages
168. Algebraic Logic
     H. Andreka, I. Nemeti, I. Sain | , Published in 2003, 129 pages
169. Semi-Riemann Geometry and General Relativity
     Shlomo Sternberg | , Published in 2003, 251 pages
170. Algebraic Invariants
     Leonard E. Dickson | J. Wiley & Sons, Published in 1914, 122 pages
171. Intuitionistic Logic
     Nick Bezhanishvili, Dick de Jongh | Universiteit van Amsterdam, Published in 2010, 57 pages
172. First Year Calculus
     W W L Chen | Macquarie University, Published in 2008, 238 pages
173. Encyclopedia of Mathematics
     Michiel Hazewinkel | Kluwer Academic Publishers, Published in 2002, 1422 pages
174. Functional and Structured Tensor Analysis for Engineers
     R. M. Brannon | The University of Utah, Published in 2003, 323 pages
175. The K-book: An introduction to algebraic K-theory
     Charles Weibel | Rutgers, Published in 2010
176. Methods for Finding Zeros in Polynomials
     Leif Mejlbro | BookBoon, Published in 2011, 122 pages
177. Lectures on Numerical Analysis
     Dennis Deturck, Herbert S. Wilf | University of Pennsylvania, Published in 2002, 125 pages
178. Combinatorial Geometry with Application to Field Theory
     Linfan Mao | InfoQuest, Published in 2009, 499 pages
179. Applied Combinatorics
     S. E. Payne | University of Colorado, Published in 2003, 216 pages
180. Lie Groups, Physics, and Geometry
     Robert Gilmore | Drexel University, Published in 2007, 222 pages
181. From D-modules to Deformation Quantization Modules
     Pierre Schapira | UPMC, Published in 2012, 89 pages
182. Logic for Computer Science
     Jean H. Gallier | Longman Higher Education, Published in 1986, 528 pages
183. Robust Geometric Computation
     Kurt Mehlhorn, Chee Yap | New York University, Published in 2004
184. Chaos: Classical and Quantum
     Predrag Cvitanovic | ChaosBook.org, Published in 2008, 813 pages
185. Topics in Real and Functional Analysis
     Gerald Teschl | Universitaet Wien, Published in 2016, 486 pages
186. Applied Analysis
     J. Hunter, B. Nachtergaele | World Scientific Publishing Company, Published in 2005, 439 pages
187. Introduction to Statistical Thinking
     Benjamin Yakir | The Hebrew University of Jerusalem, Published in 2011, 324 pages
188. Open Trigonometry: Basic to Advanced
     | Wikibooks, Published in 2014, 51 pages
189. Discrepancy Theory
     William Chen | Macquarie University, Published in 2012, 99 pages
190. Radically Elementary Probability Theory
     Edward Nelson | Princeton University Press, Published in 1987, 111 pages
191. Introductory Statistics
     T. H. Wonnacott, R. J. Wonnacott | Wiley, Published in 1969, 416 pages
192. Lectures on Noise Sensitivity and Percolation
     Christophe Garban, Jeffrey E. Steif | arXiv, Published in 2011, 150 pages
193. Group Theory: Birdtracks, Lie's, and Exceptional Groups
     Predrag Cvitanovic | Princeton University Press, Published in 2011, 289 pages
194. Iterative Methods in Combinatorial Optimization
     Lap Chi Lau, R. Ravi, M. Singh | Cambridge University Press, Published in 2011, 229 pages
195. Banach Spaces of Analytic Functions
     enneth Hoffman | Prentice-Hall, Published in 1962, 242 pages
196. Algorithms for Modular Elliptic Curves
     J. E. Cremona | Cambridge University Press, Published in 1992, 351 pages
197. A Second Semester of Linear Algebra
     S. E. Payne | University of Colorado Denver, Published in 2009, 236 pages
198. Ricci-Hamilton Flow on Surfaces
     Li Ma | Tsinghua University, Published in 2003, 128 pages
199. A Short Course on Approximation Theory
     N. L. Carothers | Bowling Green State University, Published in 2009, 159 pages
200. Topological Groups: Yesterday, Today, Tomorrow
     Sidney A. Morris (ed.) | MDPI AG, Published in 2016, 230 pages
201. Correlation and Causality
     David A. Kenny | John Wiley & Sons Inc, Published in 1979, 353 pages
202. Discrete Mathematics for Computer Science
     Jean Gallier | arXiv, Published in 2008, 255 pages
203. Applied Multivariate Statistical Analysis
     Wolfgang K. Hardle, Leopold Simar | Springer, Published in 2003, 488 pages
204. Invitation to Dynamical Systems
     Edward R. Scheinerman | Prentice Hall College Div, Published in 2000, 384 pages
205. Complex Manifolds
     Julius Ross | Stanford University, Published in 2014, 119 pages
206. The Axioms Of Descriptive Geometry
     Alfred North Whitehead | Cambridge University Press, Published in 1914, 96 pages
207. Non-Euclidean Geometry: A Critical and Historical Study of its Development
     Roberto Bonola | Open Court Publishing Company, Published in 1912, 292 pages
208. Convex Optimization
     Stephen Boyd, Lieven Vandenberghe | Cambridge University Press, Published in 2004, 730 pages
209. The Mathemagician and Pied Puzzler: A Collection in Tribute to Martin Gardner
     Martin Gardner, at al. | AK Peters, Published in 1999, 252 pages
210. Lies, Damned Lies, or Statistics: How to Tell the Truth with Statistics
     Jonathan A. Poritz | Colorado State University, Pueblo, Published in 2017, 143 pages
211. A Reform Approach to Business Calculus
     Marcel B. Finan | Arkansas Tech University, Published in 2003, 150 pages
212. Elementary Abstract Algebra
     W. Edwin Clark | University of South Florida, Published in 2001, 105 pages
213. An Introduction to Set Theory
     William A. R. Weiss | University of Toronto, Published in 2008, 119 pages
214. A Sampler of Riemann-Finsler Geometry
     D. Bao, R. Bryant, S. Chern, Z. Shen | Cambridge University Press, Published in 2004, 376 pages
215. Linear Algebra
     Paul Dawkins | Lamar University, Published in 2011, 331 pages
216. Logic for Computer Scientists
     Uli Furbach | Wikibooks, Published in 2010
217. Elementary College Geometry
     Henry Africk | CUNY Academic Works, Published in 2013, 376 pages
218. Logic for Computer Science
     | Wikibooks, Published in 2010
219. Elementary Theory of Numbers
     Waclaw Sierpinski | ICM, Published in 1964, 516 pages
220. Lectures on Topics in Analysis
     Raghavan Narasimhan | Tata Institute of Fundamental Research, Published in 1965, 205 pages
221. An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics
     William Elwood Byerly | Ginn and company, Published in 1893, 309 pages
222. Basic Category Theory
     Jaap van Oosten | University of Utrecht, Published in 2007, 88 pages
223. Elementary Differential Equations
     William F. Trench | Brooks Cole, Published in 2001, 663 pages
224. Mathematical Logic
     Stephen G. Simpson | Pennsylvania State University, Published in 2013, 128 pages
225. Elementary Set Theory with a Universal Set
     Randall Holmes | , Published in 2005, 240 pages
226. The Game of Logic
     Lewis Carroll | MacMillan, Published in 1887, 128 pages
227. Constructive Geometry
     John G. Kerr | Blackie And Son Limited., Published in 1904, 135 pages
228. Solving PDEs in Python
     Hans Petter Langtangen, Anders Logg | Springer, Published in 2017, 148 pages
229. Supplementary Algebra
     Robert L. Short | D.C. Heath & Co., Published in 1905, 60 pages
230. Sequences and Power Series: Guidelines for Solutions of Problems
     Leif Mejlbro | BookBoon, Published in 2007, 104 pages
231. Analytic Geometry
     L. P. Siceloff, G. Wentworth, D. E. Smith | Ginn and Company, Published in 1922, 296 pages
232. Digraphs: Theory, Algorithms and Applications
     Jorgen Bang-Jensen, Gregory Gutin | Springer, Published in 2002, 772 pages
233. Elementary Symbolic Dynamics and Chaos in Dissipative Systems
     Bai-Lin Hao | World Scientific, Published in 1989, 475 pages
234. Pictures of Julia and Mandelbrot Sets
     | Wikibooks, Published in 2010
235. On Riemann's Theory of Algebraic Functions and their Integrals
     Felix Klein | Macmillan and Bowes, Published in 1893, 128 pages
236. On Advanced Analytic Number Theory
     C.L. Siegel | Tata Institute of Fundamental Research, Published in 1961, 241 pages
237. Symmetry Measures on Complex Networks
     Angel Garrido (ed.) | MDPI AG, Published in 2017, 510 pages
238. Introductory Treatise On Lie's Theory Of Finite Continuous Transformation Groups
     John Edward Campbell | Oxford Clarendon Press, Published in 1903, 460 pages
239. Topology
     Curtis T. McMullen | Harvard University, Published in 2013, 90 pages
240. Matrix Algebra
     Marco Taboga | StatLect, Published in 2021, 320 pages
241. Stochastic Processes
     David Nualart | The University of Kansas, Published in 2017, 82 pages
242. Functional Analysis
     Feng Tian, Palle E.T. Jorgensen | arXiv, Published in 2010, 98 pages
243. Lectures on a Method in the Theory of Exponential Sums
     M. Jutila | Tata Institute of Fundamental Research, Published in 1987, 134 pages
244. Abstract Algebra I
     Marcel B. Finan | Arkansas Tech University, Published in 2004
245. Making up Numbers: A History of Invention in Mathematics
     Ekkehard Kopp | Open Book Publishers, Published in 2023, 282 pages
246. Lectures on Expansion Techniques In Algebraic Geometry
     S.S. Abhyankar | Tata Institute Of Fundamental Research, Published in 1977, 169 pages
247. Elementary Calculus
     Frederick S Woods, Frederick H Bailey | Ginn and Company, Published in 1922, 323 pages
248. Logics of Time and Computation
     Robert Goldblatt | Center for the Study of Language, Published in 1992, 200 pages
249. Foundations of Descriptive and Inferential Statistics
     Henk van Elst | arXiv, Published in 2013, 144 pages
250. Analytic Combinatorics
     Philippe Flajolet, Robert Sedgewick | Cambridge University Press, Published in 2008, 822 pages
251. Topics in Geometry
     John O'Connor | University of St Andrews, Published in 2003
252. Cribbage: A Strategy Guide for Beginners
     Jake Magnum | Smashwords, Published in 2016, 122 pages
253. Lists, Decisions, and Graphs
     Edward A. Bender, S. Gill Williamson | University of California, San Diego, Published in 2010, 261 pages
254. Quick Introduction to Tensor Analysis
     Ruslan Sharipov | Samizdat Press, Published in 2004, 47 pages
255. Model Theory, Algebra and Geometry
     D. Haskell, A. Pillay, C. Steinhorn | Cambridge University Press, Published in 2000, 227 pages
256. Engineering Mathematics with Tables
     M.A. Keasey, G.A. Kline, D.A. McIlhatten | The Blakiston company, Published in 1940, 376 pages
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