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. Quick Introduction to Tensor Analysis
   Ruslan Sharipov | Samizdat Press, Published in 2004, 47 pages
2. Tensor Calculus
   Taha Sochi | viXra, Published in 2016, 91 pages
3. Mathematical Recreations and Essays
   W. W. Rouse Ball | Macmillan, Published in 1914, 506 pages
4. Geometric Complexity Theory: An Introduction for Geometers
   J.M. Landsberg | arXiv, Published in 2013, 38 pages
5. Lectures On Some Fixed Point Theorems Of Functional Analysis
   F.F. Bonsall | Tata Institute Of Fundamental Research, Published in 1962, 147 pages
6. An Introduction to Higher Mathematics
   Patrick Keef, David Guichard, Russ Gordon | Whitman College, Published in 2010, 144 pages
7. Introduction to Applied Linear Algebra: Vectors, Matrices and Least Squares
   Stephen Boyd, Lieven Vandenberghe | Cambridge University Press, Published in 2018, 473 pages
8. An Introduction to Mathematical Reasoning
   Peter J. Eccles | Cambridge University Press, Published in 2007, 364 pages
9. Discrete Mathematics for Computer Science
   Jean Gallier | arXiv, Published in 2008, 255 pages
10. Lectures on Stochastic Flows and Applications
    H. Kunita | Tata Institute Of Fundamental Research, Published in 1986, 130 pages
11. Distribution Theory (Generalized Functions)
    Ivan F Wilde | , Published in 2005, 66 pages
12. Probability Course
    Gian-Carlo Rota | David Ellerman, Published in 1998, 544 pages
13. An Introduction to Contemporary Mathematics
    John Hutchinson | Australian National University, Published in 2010, 295 pages
14. Interval Groupoids
    W. B. V. Kandasamy, F. Smarandache, M. K. Chetry | arXiv, Published in 2010, 240 pages
15. Algorithms in Real Algebraic Geometry
    S. Basu, R. Pollack, M. Roy | Springer, Published in 2009, 672 pages
16. Notes on the Atiyah-Singer Index Theorem
    Liviu I. Nicolaescu | University of Notre Dame, Published in 2005, 135 pages
17. Design, Evaluation and Analysis of Combinatorial Optimization Heuristic Algorithms
    Daniel Karapetyan | arXiv, Published in 2012, 202 pages
18. Lectures on Sieve Methods
    H.E. Richert | Tata Institute of Fundamental Research, Published in 1976, 216 pages
19. Noncommutative Geometry, Quantum Fields and Motives
    Alain Connes, Matilde Marcolli | American Mathematical Society, Published in 2007, 705 pages
20. Advanced Topics in Probability
    S.R.S. Varadhan | New York University, Published in 2011, 203 pages
21. Predicative Arithmetic
    Edward Nelson | Princeton Univ Pr, Published in 1987, 201 pages
22. Hyperbolic Functions
    James McMahon | John Wiley & Sons, Published in 1906, 106 pages
23. Differential Equations and Linear Algebra
    Simon J.A. Malham | Heriot-Watt University, Published in 2010, 95 pages
24. Analysis of Puzzles
    Umesh Nair | , Published in 2006, 88 pages
25. Lectures on Singular Stochastic PDEs
    M. Gubinelli, N. Perkowski | arXiv, Published in 2015, 67 pages
26. An Elementary Introduction to Groups and Representations
    Brian C. Hall | arXiv, Published in 2000, 128 pages
27. The Construction and Study of Certain Important Algebras
    Claude Chevalley | The Mathematical Society Of Japan, Published in 1955, 80 pages
28. Set Theoretic Approach to Algebraic Structures in Mathematics
    W. B. Vasantha Kandasamy, Florentin Smarandache | Educational Publisher, Published in 2013, 168 pages
29. Exterior Differential Systems
    Robert L. Bryant, et al. | MSRI, Published in 1991, 406 pages
30. The Hauptvermutung Book: A Collection of Papers on the Topology of Manifolds
    A.A. Ranicki, et al, | Springer, Published in 1996, 194 pages
31. Applied Analysis
    I.M. Sigal, M. Merkli | University of Toronto, Published in 2001, 176 pages
32. Derivations of Applied Mathematics
    Thaddeus H. Black | Debian Project, Published in 2017, 742 pages
33. Global Analysis: Functional Analysis Examples
    Leif Mejlbro | BookBoon, Published in 2009, 78 pages
34. Probability and Statistics Cookbook
    Matthias Vallentin | , Published in 2012, 31 pages
35. An Introduction to Geometry
    Wong Yan Loi | National University of Singapore, Published in 2021, 145 pages
36. Vector Math for 3D Computer Graphics
    Bradley Kjell | Central Connecticut State University, Published in 2003
37. A Course In Commutative Algebra
    Robert B. Ash | University of Illinois, Published in 2006
38. Smooth Numbers: Computational Number Theory and Beyond
    Andrew Granville | Universite de Montreal, Published in 2008, 58 pages
39. Abstract Algebra: The Basic Graduate Year
    Robert B. Ash | , Published in 2002, 407 pages
40. Algorithmic Number Theory
    J.P. Buhler, P. Stevenhagen | Cambridge University Press, Published in 2008, 662 pages
41. Honors Calculus
    Frank Jones | Rice University, Published in 2004
42. The World of Mathematics
    Philipp Legner | Mathigon, Published in 2012
43. Supplementary Algebra
    Robert L. Short | D.C. Heath & Co., Published in 1905, 60 pages
44. An Introduction to Noncommutative Spaces and their Geometry
    Giovanni Landi | arXiv, Published in 1997, 186 pages
45. Numbers and Symbols: From Counting to Abstract Algebras
    Roy McWeeny | Learning Development Institute, Published in 2007, 53 pages
46. Art Gallery Theorems and Algorithms
    Joseph O'Rourke | Oxford University Press, Published in 1987, 296 pages
47. Discrete Distributions
    Leif Mejlbro | BookBoon, Published in 2009, 72 pages
48. Homotopy Theories and Model Categories
    W. G. Dwyer, J. Spalinski | University of Notre Dame, Published in 1995, 56 pages
49. Partial Differential Equations for Finance
    Robert V. Kohn | New York University, Published in 2003, 121 pages
50. A Sampler of Riemann-Finsler Geometry
    D. Bao, R. Bryant, S. Chern, Z. Shen | Cambridge University Press, Published in 2004, 376 pages
51. Dynamics in One Complex Variable
    John Milnor | Princeton University Press, Published in 1991, 146 pages
52. The Theory of Determinants and Their Applications
    Robert Forsyth Scott | Cambridge University Press, Published in 1904, 308 pages
53. On Lie Algebras Of Prime Characteristic
    George B. Seligman | American Mathematical Society, Published in 1956, 93 pages
54. A Friendly Introduction to Differential Equations
    Mohammed K A Kaabar | , Published in 2015, 164 pages
55. Lectures on Topics in Analysis
    Raghavan Narasimhan | Tata Institute of Fundamental Research, Published in 1965, 205 pages
56. Contact Geometry
    Hansjoerg Geiges | arXiv, Published in 2004, 86 pages
57. Just the Maths
    A. J. Hobson | , Published in 2002, 1296 pages
58. Proofs in Mathematics
    Alexander Bogomolny | Interactive Mathematics Miscellany and Puzzles, Published in 2013, 272 pages
59. The Theory Of Integration
    L. C. Young | Cambridge University Press, Published in 1927, 69 pages
60. Theory of Functions of a Complex Variable
    Heinrich Burkhardt | D. C. Heath, Published in 1913, 456 pages
61. Category Theory Lecture Notes
    Daniele Turi | University of Edinburgh, Published in 2001, 61 pages
62. Convex Geometric Analysis
    Keith Ball, Vitali Milman | Cambridge University Press, Published in 1998, 236 pages
63. High School Mathematics Extensions
    Zhuo Jia Dai, Martin Warmer, Tom Lam | Wikibooks, Published in 2008, 250 pages
64. Notes on the course Algebraic Topology
    Boris Botvinnik | University of Oregon, Published in 2010, 181 pages
65. Spherical Harmonics in p Dimensions
    Christopher Frye, Costas J. Efthimiou | arXiv, Published in 2012, 95 pages
66. Elementary Geometry: Practical and Theoretical
    C. Godfrey, A. W. Siddons | Cambridge University Press, Published in 1919, 438 pages
67. Practical Mathematics
    A.H. Bell | Blackie And Son Limited, Published in 1919, 356 pages
68. Introduction to Twisted Commutative Algebras
    Steven V Sam, Andrew Snowden | arXiv, Published in 2012, 56 pages
69. The Millennium Prize Problems
    J. Carlson, A. Jaffe, A. Wiles | American Mathematical Society, Published in 2006, 139 pages
70. A First Course in Topology: Continuity and Dimension
    John McCleary | American Mathematical Society, Published in 2006, 210 pages
71. Foundations of Combinatorics with Applications
    Edward A. Bender, S. Gill Williamson | Dover Publications, Published in 2006, 480 pages
72. Notes on Harmonic Analysis
    George Benthien | , Published in 2006, 74 pages
73. Pictures of Julia and Mandelbrot Sets
    | Wikibooks, Published in 2010
74. Linear Algebra C-2: Geometrical Vectors, Vector Spaces and Linear Maps
    Leif Mejlbro | BookBoon, Published in 2009, 126 pages
75. Linear algebra via exterior products
    Sergei Winitzki | Ludwig-Maximilians University, Published in 2009, 82 pages
76. The Art of Logic
    Nuel Belnap | University of Pittsburgh, Published in 2009, 314 pages
77. Basic Category Theory
    Tom Leinster | arXiv, Published in 2016, 191 pages
78. Unfolding the Labyrinth: Open Problems in Mathematics, Physics, Astrophysics
    Florentin Smarandache, at al. | arXiv, Published in 2006, 139 pages
79. Smarandache Rings
    W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 222 pages
80. Commutative Algebra
    Jacob Lurie, Akhil Mathew | Harvard University, Published in 2010, 172 pages
81. Calculus
    Gilbert Strang | Wellsley Cambridge Press, Published in 1991, 671 pages
82. Logic and Proof
    Lawrence C Paulson | University of Cambridge, Published in 2002, 79 pages
83. A Gentle Introduction to the Art of Mathematics
    Joseph Fields | Southern Connecticut State University, Published in 2009, 428 pages
84. Lectures on Differential Geometry
    John Douglas Moore | University of California, Published in 2009, 263 pages
85. Lectures on Algebraic Groups
    Alexander Kleshchev | University of Oregon, Published in 2005, 166 pages
86. Introduction to Proof Theory
    Gilles Dowek | ESSLLI, Published in 2001, 82 pages
87. Group Theory: Birdtracks, Lie's, and Exceptional Groups
    Predrag Cvitanovic | Princeton University Press, Published in 2011, 289 pages
88. Introduction to Real Analysis
    Lee Larson | University of Louisville, Published in 2014, 184 pages
89. Mathematics and Physical Science in Classical Antiquity
    J. L. Heiberg | Oxford University Press, Published in 1922, 115 pages
90. Symbolic Logic
    Lewis Carroll | Macmillan and co, Published in 1897
91. Homological Conjectures
    Tom Marley, Laura Lynch | University of Nebraska - Lincoln, Published in 2010, 56 pages
92. Smarandache Loops
    W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 129 pages
93. Foundations of Infinitesimal Calculus
    K.D. Stroyan | Academic Press, Inc., Published in 1997, 182 pages
94. Linear Algebra Review and Reference
    Zico Kolter | Stanford University, Published in 2015, 26 pages
95. Multiplication of Vectors and Structure of 3D Euclidean Space
    Miroslav Josipovic | viXra, Published in 2016, 70 pages
96. How To Write Proofs
    Larry W. Cusick | California State University, Fresno, Published in 2009
97. A First Course in Linear Algebra
    Ken Kuttler | Lyryx, Published in 2017, 608 pages
98. Fundamentals of Model Theory
    William Weiss, Cherie D'Mello | University of Toronto, Published in 1997, 64 pages
99. Discrete Mathematics
    | Wikibooks, Published in 2012
100. Lectures on Geodesics in Riemannian Geometry
     M. Berger | Tata Institute of Fundamental Research, Published in 1965, 317 pages
101. Linear Algebra C-4: Quadratic equations in two or three variables
     Leif Mejlbro | BookBoon, Published in 2009, 74 pages
102. Elementary Abstract Algebra
     W. Edwin Clark | University of South Florida, Published in 2001, 105 pages
103. Actual Causality
     Joseph Y. Halpern | The MIT Press, Published in 2016, 240 pages
104. Think Bayes: Bayesian Statistics Made Simple
     Allen B. Downey | Green Tea Press, Published in 2012, 77 pages
105. Synchronization and Linearity: An Algebra for Discrete Event Systems
     F. Baccelli, G. Cohen, G. J. Olsder, J. Quadrat | John Wiley & Sons, Published in 1993, 501 pages
106. The General Theory of Dirichlet's Series
     G.H. Hardy, Marcel Riesz | Cambridge University Press, Published in 1915, 95 pages
107. Preparing for College Physics
     David Murdock | TTU, Published in 2002, 64 pages
108. Mathematics for the Physical Sciences
     Leslie Copley | De Gruyter Open, Published in 2014, 446 pages
109. Notes on Differential Geometry
     Noel J. Hicks | Van Nostrand, Published in 1965, 183 pages
110. Elliptic Functions and Elliptic Curves
     Jan Nekovar | Institut de Mathematiques de Jussieu, Published in 2004, 175 pages
111. Introduction to Real Analysis
     William F. Trench | Prentice Hall, Published in 2003, 583 pages
112. Introduction to Symplectic and Hamiltonian Geometry
     Ana Cannas da Silva | , Published in 2007, 158 pages
113. A Course of Pure Mathematics
     G.H. Hardy | Cambridge University Press, Published in 1921, 476 pages
114. Statistics for Business and Economics
     Marcelo Fernandes | BookBoon, Published in 2009, 150 pages
115. Functions of a Complex Variable
     Thomas S. Fiske | John Wiley & sons, Published in 1907, 122 pages
116. Language, Proof and Logic
     Jon Barwise, John Etchemendy | Center for the Study of Language, Published in 2011, 620 pages
117. An Introduction to Probability and Random Processes
     Gian-Carlo Rota, Kenneth Baclawski | , Published in 1979, 467 pages
118. The Algebraic Theory of Modular Systems
     Francis Sowerby Macaulay | Cambridge University Press, Published in 1916, 140 pages
119. An Introduction to Stochastic PDEs
     Martin Hairer | arXiv, Published in 2009, 78 pages
120. Essentials of Statistics
     David Brink | BookBoon, Published in 2008, 102 pages
121. A Reform Approach to Business Calculus
     Marcel B. Finan | Arkansas Tech University, Published in 2003, 150 pages
122. Intuitionistic Logic
     Nick Bezhanishvili, Dick de Jongh | Universiteit van Amsterdam, Published in 2010, 57 pages
123. Lectures on Meromorphic Functions
     W.K. Hayman | Tata Institue of Fundamental Research, Published in 1959, 119 pages
124. The Foundations of Geometry
     David Hilbert | Project Gutenberg, Published in 1902, 101 pages
125. An Invitation to General Algebra and Universal Constructions
     George M. Bergman | Henry Helson, Published in 1998, 398 pages
126. 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
127. Infinite-dimensional Lie Algebras
     Iain Gordon | University of Edinburgh, Published in 2009, 55 pages
128. Flatland: A Romance of Many Dimensions
     Edwin A. Abbot | Seeley and Co., Published in 1884, 120 pages
129. Elementary Mathematics
     W W L Chen, X T Duong | Macquarie University, Published in 1999, 308 pages
130. Introduction to Analysis
     Ray Mayer | Reed College, Published in 2006, 291 pages
131. Understanding Algebra
     James W. Brennan | , Published in 2011, 106 pages
132. Finite Rank Torsion Free Modules Over Dedekind Domains
     E. Lee Lady | University of Hawaii, Published in 1998
133. Lectures on Fibre Bundles and Differential Geometry
     J.L. Koszul | Tata Institute of Fundamental Research, Published in 1960, 105 pages
134. Proof, Sets, and Logic
     M. Randall Holmes | Boise State University, Published in 2009, 207 pages
135. Super Special Codes using Super Matrices
     W.B.V. Kandasamy, F. Smarandache, K.Ilanthenral | arXiv, Published in 2010, 161 pages
136. Categories and Homological Algebra
     Pierre Schapira | UPMC, Published in 2011, 125 pages
137. Differential Geometry Of Three Dimensions
     C.E. Weatherburn | Cambridge University Press, Published in 1955, 281 pages
138. Real Harmonic Analysis
     Pascal Auscher, Lashi Bandara | ANU eView, Published in 2012, 113 pages
139. Combinatorics and Algebra of Tensor Calculus
     Sen Hu, Xuexing Lu, Yu Ye | arXiv, Published in 2015, 88 pages
140. Lectures on Lipschitz Analysis
     Juha Heinonen | , Published in 2005, 77 pages
141. The Matrix Cookbook
     Kaare Brandt Petersen, Michael Syskind Pedersen | , Published in 2008, 67 pages
142. H2 Mathematics Textbook
     Yan Min Choo | , Published in 2016, 1384 pages
143. Chaos: Classical and Quantum
     Predrag Cvitanovic | ChaosBook.org, Published in 2008, 813 pages
144. Comparison Geometry
     Karsten Grove, Peter Petersen | Cambridge University Press, Published in 1997, 262 pages
145. Hopf Algebras in General and in Combinatorial Physics: a practical introduction
     G.H.E. Duchamp, et al. | arXiv, Published in 2008, 40 pages
146. Exotic Homology Manifolds
     Frank Quinn, Andrew Ranicki | , Published in 2006, 158 pages
147. Class Field Theory
     J. S. Milne | , Published in 2008, 287 pages
148. Lectures on Exterior Differential Systems
     M. Kuranishi | Tata Institute of Fundamental Research, Published in 1962, 117 pages
149. Algebraic K-Theory
     Hyman Bass | W. A. Benjamin, Published in 1968, 793 pages
150. Numerical Algorithms: Methods for Computer Vision, Machine Learning, and Graphics
     Justin Solomon | CRC Press, Published in 2015, 397 pages
151. The Elements Of Non-Euclidean Geometry
     Julian Lowell Coolidge | Oxford At The Clarendon Press, Published in 1909, 282 pages
152. Riemann Surfaces, Dynamics and Geometry
     Curtis McMullen | Harvard University, Published in 2020, 203 pages
153. Mathematical Methods for Physical Sciences II
     Christoph Kirsch | University of North Carolina, Published in 2011, 209 pages
154. Elements of Plane Trigonometry
     Hugh Blackburn | Macmillan and co, Published in 1871, 143 pages
155. Integrate Your Brain: How To Do Calculus In Your Head
     Aaron Maxwell | Lulu.com, Published in 2006, 51 pages
156. General Topology
     Pierre Schapira | Université Paris VI, Published in 2011, 78 pages
157. Lectures on Numerical Methods for Non-Linear Variational Problems
     R. Glowinski | Tata Institute of Fundamental Research, Published in 1980, 265 pages
158. Introduction to Commutative Algebra
     Thomas J. Haines | University of Maryland, Published in 2024, 93 pages
159. Mathematical Omnibus: Thirty Lectures on Classic Mathematics
     Dmitry Fuchs, Sergei Tabachnikov | American Mathematical Society, Published in 2007, 465 pages
160. Introduction to Topological Groups
     Dikran Dikranjan | UCM, Published in 2007, 69 pages
161. Introduction to Methods of Applied Mathematics
     Sean Mauch | Caltech, Published in 2004, 2321 pages
162. Calculus Refresher
     Paul Garrett | , Published in 2008, 78 pages
163. Applied Mathematical Programming Using Algebraic Systems
     Bruce A. McCarl, Thomas H. Spreen | Texas A&M University, Published in 2011, 567 pages
164. Lectures on Differential Geometry
     Wulf Rossmann | University of Ottawa, Published in 2003, 221 pages
165. Cusps of Gauss Mappings
     Thomas Banchoff, Terence Gaffney, Clint McCrory | Pitman Advanced Pub. Program, Published in 1982, 88 pages
166. Topics in topology: The signature theorem and some of its applications
     Liviu I. Nicolaescu | University of Notre Dame, Published in 2008, 159 pages
167. generatingfunctionology
     Herbert S. Wilf | A K Peters, Ltd., Published in 2006, 245 pages
168. Calculus
     | Wikibooks, Published in 2011, 456 pages
169. Linear Algebra
     Jonathan Gleason | University of California, Published in 2018, 681 pages
170. General Topology
     Jesper M. Moller | , Published in 2010, 75 pages
171. Mathematics and Biology: The Interface, Challenges, and Opportunities
     Simon A. Levin | , Published in 2008
172. An Introduction to Gaussian Geometry
     Sigmundur Gudmundsson | Lund University, Published in 2009, 75 pages
173. Tensor Trigonometry
     A.S. Ninul | FIZMATLIT, Published in 2021, 320 pages
174. Engineering Mathematics
     Charles Proteus Steinmetz | McGraw-Hill, Published in 1911, 326 pages
175. Lectures on Moduli of Curves
     D. Gieseker | Tata Institute of Fundamental Research, Published in 1982, 88 pages
176. Calculus for Beginners and Artists
     Daniel Kleitman | MIT, Published in 2009
177. A Short Account of the History of Mathematics
     W. W. Rouse Ball | Dover Publications, Published in 1960, 466 pages
178. First Steps Towards a Symplectic Dynamics
     Barney Bramham, Helmut Hofer | arXiv, Published in 2011, 60 pages
179. Algebraic Geometry
     J.S. Milne | , Published in 2008, 241 pages
180. Introduction to Groups, Invariants and Particles
     Frank W. K. Firk | Orange Grove Texts Plus, Published in 2000, 162 pages
181. A defense of Columbo: A multilevel introduction to probabilistic reasoning
     G. D'Agostini | arXiv, Published in 2010, 60 pages
182. Introduction to Linear Bialgebra
     W.B.V. Kandasamy, F. Smarandache, K. Ilanthenral | arXiv, Published in 2005, 238 pages
183. Abstract Algebra
     J. Mathos, R. Campanha | Wikibooks, Published in 2012
184. Mathematics for Algorithm and Systems Analysis
     Edward A. Bender, S. Gill Williamson | Dover Publications, Published in 2005, 256 pages
185. Applied Stochastic Processes in Science and Engineering
     Matt Scott | University of Waterloo, Published in 2013, 316 pages
186. An Introduction to Algebraic Surgery
     Andrew Ranicki | arXiv, Published in 2000, 82 pages
187. Real Analysis
     Martin Smith-Martinez, et al. | Wikibooks, Published in 2013
188. Manifolds of Differentiable Mappings
     Peter W. Michor | Birkhauser, Published in 1980, 165 pages
189. Lectures on Numerical Analysis
     Dennis Deturck, Herbert S. Wilf | University of Pennsylvania, Published in 2002, 125 pages
190. Spectral Theory
     Leif Mejlbro | BookBoon, Published in 2009, 80 pages
191. A Minimum of Stochastics for Scientists
     Noel Corngold | Caltech, Published in 2009, 77 pages
192. Algebraic Groups and Discontinuous Subgroups
     Armand Borel, George D. Mostow | American Mathematical Society, Published in 1966, 424 pages
193. Book of Proof
     Richard Hammack | Virginia Commonwealth University, Published in 2009, 270 pages
194. Analytic Geometry of Space
     V. Snyder, T.P. Hill | H. Holt and Company, Published in 1914, 322 pages
195. forall x: An Introduction to Formal Logic
     P.D. Magnus | , Published in 2008, 160 pages
196. Introduction to Mathematical Logic: A problem solving course
     Arnold W. Miller | arXiv, Published in 1996, 75 pages
197. Archimedes
     Thomas Little Heath | , Published in 1920, 76 pages
198. Probability and Statistics: A Course for Physicists and Engineers
     Arak M. Mathai, Hans J. Haubold | De Gruyter Open, Published in 2017, 582 pages
199. The Elements of Solid Geometry
     William C. Bartol | Leach, Shewell & Sanborn, Published in 1893, 112 pages
200. Lectures on Birational Geometry
     Caucher Birkar | arXiv, Published in 2012, 85 pages
201. Thin Groups and Superstrong Approximation
     Emmanuel Breuillard, Hee Oh (eds.) | Cambridge University Press, Published in 2014, 362 pages
202. A First Course in Complex Analysis
     M. Beck, G. Marchesi, D. Pixton | San Francisco State University, Published in 2012, 127 pages
203. The Air Force Brain Booster Book
     John C. Sparks | Air Force Publication, Published in 2006, 58 pages
204. Introduction to Infinitesimal Analysis: Functions of One Real Variable
     N. J. Lennes | John Wiley & Sons, Published in 1907, 225 pages
205. Computational Category Theory
     D.E. Rydeheard, R.M. Burstall | , Published in 2001, 263 pages
206. Higher Elementary Geometry
     Venugopal | , Published in 1958, 135 pages
207. Mathematics for the Practical Man
     George Howe | Van Nostrand, Published in 1918, 221 pages
208. Introduction to the Elementary Functions
     Raymond Benedict McClenon | Ginn and company, Published in 1918, 244 pages
209. Stability, Riemann Surfaces, Conformal Mappings: Complex Functions Theory a-3
     Leif Mejlbro | BookBoon, Published in 2010, 115 pages
210. Holonomy Groups in Riemannian Geometry
     Andrew Clarke, Bianca Santoro | arXiv, Published in 2012, 124 pages
211. Principles of Data Analysis
     Cappella Archive | Prasenjit Saha, Published in 2003, 113 pages
212. A Second Semester of Linear Algebra
     S. E. Payne | University of Colorado Denver, Published in 2009, 236 pages
213. Beginning Statistics
     Douglas S. Shafer, Zhiyi Zhang | lardbucket.org, Published in 2014, 716 pages
214. Math Alive
     Ingrid Daubechies, Shannon Hughes | Princeton University, Published in 2008, 454 pages
215. Formal Logic
     | Wikibooks, Published in 2009
216. The Philosophy of Mathematics
     Albert Taylor Bledsoe | J.B. Lippincott & Co, Published in 1868, 248 pages
217. Statistics: Methods and Applications
     Thomas Hill, Paul Lewicki | StatSoft, Inc., Published in 2005, 800 pages
218. Model Theory, Algebra and Geometry
     D. Haskell, A. Pillay, C. Steinhorn | Cambridge University Press, Published in 2000, 227 pages
219. A First Course in Mathematics Concepts for Elementary School Teachers
     Marcel B. Finan | Arkansas Tech University, Published in 2006, 452 pages
220. Plane and Solid Analytic Geometry
     W. F. Osgood, W. C. Graustein | Macmillan and co., Published in 1921, 651 pages
221. Sam Loyd's Cyclopedia of 5000 Puzzles tricks and Conundrums
     Sam Loyd | The Lamb Publishing Company, Published in 1914, 194 pages
222. Generic Polynomials: Constructive Aspects of the Inverse Galois Problem
     C. U. Jensen, A. Ledet, N. Yui | Cambridge University Press, Published in 2002, 268 pages
223. Deformations of Algebras in Noncommutative Geometry
     Travis Schedler | arXiv, Published in 2015, 120 pages
224. Lectures on Polyhedral Topology
     John R. Stallings | Tata Institute of Fundamental Research, Published in 1967, 214 pages
225. Traveling Wave Solutions of Parabolic Systems
     A. Volpert, V. Volpert, V. Volpert | American Mathematical Society, Published in 2000, 448 pages
226. The Essential Elementary and Intermediate Algebra
     Jon Blakely | JonBlakely.com, Published in 2016, 314 pages
227. Euclid's Elements
     D.E.Joyce | , Published in 1998
228. Applied and Computational Linear Algebra: A First Course
     Charles L. Byrne | University of Massachusetts Lowell, Published in 2013, 504 pages
229. Robust Optimization
     A. Ben-Tal, L. El Ghaoui, A. Nemirovski | Princeton University Press, Published in 2009, 564 pages
230. Dynamical Systems
     Jose A. Tenreiro Machado (ed.) | MDPI AG, Published in 2014, 553 pages
231. First Year Calculus
     W W L Chen | Macquarie University, Published in 2008, 238 pages
232. A Treatise on the Theory of Invariants
     Oliver E. Glenn | Project Gutenberg, Published in 2006, 221 pages
233. Mathematics and Physics of Emerging Biomedical Imaging
     National Research Council | National Academies Press, Published in 1996, 238 pages
234. Mathematical Philosophy: A Study of Fate and Freedom
     Cassius Jackson Keyser | E.P. Dutton & company, Published in 1922, 490 pages
235. Calculus Illustrated
     Peter Saveliev | , Published in 2020, 430 pages
236. Stochastic Analysis - Notes
     I. F. Wilde | , Published in 2009, 103 pages
237. Notes on the Combinatorial Fundamentals of Algebra
     Darij Grinberg | arXiv.org, Published in 2021, 1359 pages
238. Theory of Functions of a Real Variable
     Shlomo Sternberg | , Published in 2005, 393 pages
239. Introductory Statistics: Concepts, Models, and Applications
     David W. Stockburger | Missouri State University, Published in 1996, 487 pages
240. Reform Calculus
     Marcel B. Finan | Arkansas Tech University, Published in 2004, 253 pages
241. Lectures notes on compact Riemann surfaces
     Bertrand Eynard | arXiv.org, Published in 2018, 119 pages
242. A Second Course in Mathematics Concepts for Elementary Teachers
     Marcel B. Finan | Arkansas Tech University, Published in 2006, 468 pages
243. Complex Analysis
     George Cain | , Published in 2001
244. Business Mathematics: A Textbook
     Edward I. Edgerton, Wallace E. Bartholomew | The Ronald Press Co., Published in 1921, 331 pages
245. Nonlinear Partial Differential Equations of Elliptic Type
     Vicentiu Radulescu | arXiv, Published in 2005, 114 pages
246. The Logic Of Chance
     John Venn | Macmillan And Company, Published in 1888, 550 pages
247. A Review of Algebra
     Romeyn Henry Rivenburg | American Book Company, Published in 1914, 80 pages
248. Introduction to the Method of Multiple Scales
     Per Jakobsen | arXiv, Published in 2014, 65 pages
249. Elements of Analytical Geometry of Two Dimensions
     M. Briot, M. Bouquet | Werner school book company, Published in 1896, 602 pages
250. Harmonic Analysis
     Russell Brown | University of Kentucky, Published in 2009, 191 pages
251. Modular Forms: A Computational Approach
     William A. Stein | American Mathematical Society, Published in 2007, 282 pages
252. Lectures on Topics in Algebraic Number Theory
     Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2002, 83 pages
253. Galois Lectures
     J. Douglas, P. Franklin, C.J. Keyser, L. Infeld | Morrill Press, Published in 1941, 141 pages
254. Beginning and Intermediate Algebra
     Tyler Wallace | Lulu.com, Published in 2010, 489 pages
255. Differential Geometry of Indefinite Complex Submanifolds in Indefinite Complex Space Forms
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