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. Lectures On Approximation By Polynomials
   J.G. Burkill | Tata Institute of Fundamental Research, Published in 1959, 75 pages
2. A Course of Elementary Mathematics
   John Radford Young | Wm. H. Allen, Published in 1862, 658 pages
3. Practical Plane and Solid Geometry for Advanced Students
   J. Harrison, G.A. Baxandall | Macmillan, Published in 1899, 584 pages
4. Trends in Commutative Algebra
   Luchezar L. Avramov, at al. | Cambridge University Press, Published in 2005, 264 pages
5. Applied Nonparametric Regression
   Wolfgang Härdle | Cambridge University Press, Published in 1992, 433 pages
6. Lectures on Minimal Surface Theory
   Brian White | arXiv, Published in 2013, 46 pages
7. Seven Sketches in Compositionality: An Invitation to Applied Category Theory
   Brendan Fong, David I Spivak | arXiv.org, Published in 2018, 243 pages
8. Graph Theory Lessons
   Christopher P. Mawata | Math Cove, Published in 2018, 384 pages
9. Lectures on Measure Theory and Probability
   H.R. Pitt | Tata institute of Fundamental Research, Published in 1958, 126 pages
10. Discrete Structures
    Vladlen Koltun | Stanford University, Published in 2008, 89 pages
11. Magic Squares and Cubes
    W. S. Andrews | Open Court Publishing Company, Published in 1917, 428 pages
12. Reversibility and Stochastic Networks
    F.P. Kelly | John Wiley and Sons Ltd, Published in 1979, 233 pages
13. Topics in Logic and Foundations
    Stephen G. Simpson | The Pennsylvania State University, Published in 2005, 89 pages
14. Smarandache Semirings, Semifields and Semivector Spaces
    W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 122 pages
15. Math That Makes You Go Wow
    M. Boittin, E. Callahan, D. Goldberg, J. Remes | Ohio State University, Published in 1998
16. Quasi-Projective Moduli for Polarized Manifolds
    Eckart Viehweg | Springer, Published in 1995, 326 pages
17. Lectures on Elementary Probability
    William G. Faris | University of Arizona, Published in 2002, 62 pages
18. A Problem-Solving Approach to College Algebra
    Marcel B. Finan | Arkansas Tech University, Published in 2002, 92 pages
19. Combinatory Analysis
    Percy A. MacMahon | Cambridge University Press, Published in 1915, 612 pages
20. Tabletop: Analog Game Design
    Greg Costikyan, Drew Davidson | , Published in 2011, 206 pages
21. General Topology
    Jesper M. Moller | , Published in 2010, 75 pages
22. Manifolds of Differentiable Mappings
    Peter W. Michor | Birkhauser, Published in 1980, 165 pages
23. A Tour of Triangle Geometry
    Paul Yiu | Florida Atlantic University, Published in 2005, 52 pages
24. First Steps in Numerical Analysis
    R. Hosking, S. Joe, D. Joyce, and J. Turner | , Published in 1998, 338 pages
25. The CRing Project: a collaborative open source textbook on commutative algebra
    Shishir Agrawal, et al. | CRing Project, Published in 2011, 493 pages
26. Design of Comparative Experiments
    R. A. Bailey | Cambridge University Press, Published in 2008, 348 pages
27. Dave's Short Course in Trigonometry
    David E. Joyce | Clark University, Published in 2002
28. Discrete Mathematics: An Open Introduction
    Oscar Levin | University of Northern Colorado, Published in 2017, 345 pages
29. Statistics Beyond the Absolute Basics
    Ivan Lowe | scientificlanguage.com, Published in 2018, 182 pages
30. An Introductory Course in Elementary Number Theory
    Wissam Raji | The Saylor Foundation, Published in 2013, 171 pages
31. Calculus Unlimited
    Jerrold E. Marsden, A. Weinstein | Benjamin-Cummings Publishing Co., Published in 1981, 246 pages
32. One Variable Advanced Calculus
    Kenneth Kuttler | Brigham Young University, Published in 2020, 394 pages
33. Logic for Computer Science
    | Wikibooks, Published in 2010
34. Computational Statistics
    James E. Gentle | Springer, Published in 2009, 729 pages
35. An Introduction to Group Theory: Applications to Mathematical Music Theory
    Flor Aceff-Sanchez, et al. | BookBoon, Published in 2013, 165 pages
36. Exterior Differential Systems and Euler-Lagrange Partial Differential Equations
    R. Bryant, P. Griffiths, D. Grossman | University Of Chicago Press, Published in 2008, 219 pages
37. The Calculus for Engineers and Physicists
    Robert H. Smith | Griffin, Published in 1908, 268 pages
38. An Introduction to the Algebra of Quantics
    E.B. Elliott | The Clarendon Press, Published in 1913, 444 pages
39. Introduction to Statistical Thinking
    Benjamin Yakir | The Hebrew University of Jerusalem, Published in 2011, 324 pages
40. Smarandache Rings
    W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 222 pages
41. Introduction to the Galois Theory of Linear Differential Equations
    Michael F. Singer | arXiv, Published in 2008, 83 pages
42. The Theory of Lie Derivatives and Its Applications
    Kentaro Yano | North Holland Publishing Co., Published in 1955, 321 pages
43. Linearization via the Lie Derivative
    Carmen Chicone, Richard Swanson | American Mathematical Society, Published in 2000, 64 pages
44. Contact Topology
    George Torres, Robert Gompf | University of Texas at Austin, Published in 2017, 51 pages
45. Everything Maths: Grade 10 Mathematics
    Neels van der Westhuizen, et al. | Siyavula, Published in 2012, 469 pages
46. Category Theory and Functional Programming
    Mikael Vejdemo-Johansson | University of St. Andrews, Published in 2012, 99 pages
47. Endless Amusement
    | Lea and Blanchard, Published in 1847, 217 pages
48. Engineering Mathematics with Tables
    M.A. Keasey, G.A. Kline, D.A. McIlhatten | The Blakiston company, Published in 1940, 376 pages
49. Lie Algebras
    Shlomo Sternberg | , Published in 2004, 198 pages
50. Calculus Volume 3
    | OpenStax, Published in 2016, 1032 pages
51. Algebraic Groups, Lie Groups, and their Arithmetic Subgroups
    J. S. Milne | , Published in 2010, 383 pages
52. 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
53. Monotone Dynamical Systems
    M.W. Hirsch, Hal Smith | , Published in 2004, 136 pages
54. Dynamical Systems and Chaos
    Evans M. Harrell II | , Published in 2000
55. Notes on the Combinatorial Fundamentals of Algebra
    Darij Grinberg | arXiv.org, Published in 2021, 1359 pages
56. Differential Topology and Morse Theory
    Dirk Schuetz | University of Sheffield, Published in 2009, 96 pages
57. Mathematics for Computer Science
    Eric Lehman, F Thomson Leighton, Albert R Meyer | MIT, Published in 2010, 557 pages
58. The Elements of Solid Geometry
    William C. Bartol | Leach, Shewell & Sanborn, Published in 1893, 112 pages
59. Robust Optimization
    A. Ben-Tal, L. El Ghaoui, A. Nemirovski | Princeton University Press, Published in 2009, 564 pages
60. Kähler-Einstein metrics: Old and New
    Daniele Angella, Cristiano Spotti | arXiv.org, Published in 2017, 48 pages
61. Manifolds
    Neil Lambert | King's College London, Published in 2011, 59 pages
62. Partial Differential Equations for Finance
    Robert V. Kohn | New York University, Published in 2003, 121 pages
63. Radically Elementary Probability Theory
    Edward Nelson | Princeton University Press, Published in 1987, 111 pages
64. Tensor Calculus
    Taha Sochi | viXra, Published in 2016, 91 pages
65. Mathematical Analysis II
    Elias Zakon | The TrilliaGroup, Published in 2009, 436 pages
66. Commutative Algebra and Noncommutative Algebraic Geometry
    David Eisenbud, et al. | Cambridge University Press, Published in 2015, 775 pages
67. An Introduction to Semialgebraic Geometry
    Michel Coste | Universite de Rennes, Published in 2002, 78 pages
68. Ten Chapters of the Algebraical Art
    Peter J. Cameron | Queen Mary, University of London, Published in 2007, 108 pages
69. Group Theory
    Ferdi Aryasetiawan | University of Lund, Published in 1997, 140 pages
70. Applied and Computational Linear Algebra: A First Course
    Charles L. Byrne | University of Massachusetts Lowell, Published in 2013, 504 pages
71. Noncommutative Rings
    Michael Artin | , Published in 1999, 103 pages
72. The Modern Geometry of the Triangle
    William Gallatly | F. Hodgson, Published in 1914, 126 pages
73. Using R for Introductory Statistics
    John Verzani | Chapman & Hall/CRC, Published in 2004, 114 pages
74. Linear Algebra
    Paul Dawkins | Lamar University, Published in 2011, 331 pages
75. A Problem Text in Advanced Calculus
    John M. Erdman | Portland State University, Published in 2008, 377 pages
76. Probability
    Douglas Kennedy | Trinity College, Published in 2010, 78 pages
77. Fourier Series and Systems of Differential Equations and Eigenvalue Problems
    Leif Mejlbro | BookBoon, Published in 2007, 125 pages
78. Introduction to Twisted Commutative Algebras
    Steven V Sam, Andrew Snowden | arXiv, Published in 2012, 56 pages
79. Local Theory of Holomorphic Foliations and Vector Fields
    Julio C. Rebelo, Helena Reis | arXiv, Published in 2011, 115 pages
80. Geometric Topology: Localization, Periodicity and Galois Symmetry
    Dennis Sullivan | Springer, Published in 2005, 296 pages
81. Plane and Spherical Trigonometry in three parts
    Henry Bedingfield Goodwin | Longmans, Green, and Co., Published in 1907, 296 pages
82. Advances in Discrete Differential Geometry
    Alexander I. Bobenko (ed.) | Springer, Published in 2016, 439 pages
83. Real Analysis for Graduate Students: Measure and Integration Theory
    Richard F. Bass | CreateSpace, Published in 2011, 206 pages
84. Transformations of Surfaces
    Luther Pfahler Eisenhart | Princeton University Press, Published in 1923, 371 pages
85. The Life of Pi: From Archimedes to Eniac and Beyond
    Jonathan M. Borwein | DocServer, Published in 2010, 30 pages
86. Quantitative Analysis: Algebra with a Business Perspective
    Donna M. Wacha | Bookboon, Published in 2013, 303 pages
87. Geometric Wave Equations
    Stefan Waldmann | arXiv, Published in 2012, 279 pages
88. High-dimensional Knot Theory
    Andrew Ranicki | Springer, Published in 1998, 693 pages
89. A Probability Course for the Actuaries
    Marcel B. Finan | Arkansas Tech University, Published in 2011, 517 pages
90. Everything you wanted to know about Data Analysis and Fitting
    Peter Young | arXiv, Published in 2012, 55 pages
91. Proof in Mathematics: An Introduction
    James Franklin, Albert Daoud | Kew Books, Published in 2011, 104 pages
92. Complex Analysis
    Christian Berg | Kobenhavns Universitet, Published in 2012, 192 pages
93. Intro to Abstract Algebra
    Paul Garrett | , Published in 1998, 200 pages
94. Linear Partial Differential Equations and Fourier Theory
    Marcus Pivato | Cambridge University Press, Published in 2005, 619 pages
95. Introduction to the Theory of Fourier's Series and Integrals
    H. S. Carslaw | Macmillan and co., Published in 1921, 346 pages
96. Introduction to Topology
    Alex Kuronya | , Published in 2010, 102 pages
97. An Elementary Treatise on Coordinate Geometry
    Robert J.T. Bell | Macmillan, Published in 1963, 398 pages
98. Course of Linear Algebra and Multidimensional Geometry
    Ruslan Sharipov | Samizdat Press, Published in 1996, 143 pages
99. Noncommutative Geometry
    Alain Connes | Academic Press, Published in 1994, 654 pages
100. Design, Evaluation and Analysis of Combinatorial Optimization Heuristic Algorithms
     Daniel Karapetyan | arXiv, Published in 2012, 202 pages
101. Lectures on Commutative Algebra
     Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2006, 64 pages
102. Continuous Distributions
     Leif Mejlbro | BookBoon, Published in 2009, 167 pages
103. Cribbage: A Strategy Guide for Beginners
     Jake Magnum | Smashwords, Published in 2016, 122 pages
104. Iterative Methods in Combinatorial Optimization
     Lap Chi Lau, R. Ravi, M. Singh | Cambridge University Press, Published in 2011, 229 pages
105. An Introduction to Tensors for Students of Physics and Engineering
     Joseph C. Kolecki | Glenn Research Center, Published in 2002, 29 pages
106. Lectures notes on compact Riemann surfaces
     Bertrand Eynard | arXiv.org, Published in 2018, 119 pages
107. Basic Concepts of Enriched Category Theory
     Max Kelly | Cambridge University Press, Published in 2005, 143 pages
108. Symplectic Reflection Algebras
     Gwyn Bellamy | arXiv, Published in 2012, 64 pages
109. Applied Linear Algebra in Action
     Vasilios N. Katsikis | InTech, Published in 2016, 172 pages
110. A First Course in Complex Analysis
     M. Beck, G. Marchesi, D. Pixton | San Francisco State University, Published in 2012, 127 pages
111. Introduction to Infinitesimal Analysis: Functions of One Real Variable
     N. J. Lennes | John Wiley & Sons, Published in 1907, 225 pages
112. Probability Theory
     S. R. S. Varadhan | New York University, Published in 2000, 300 pages
113. A First Course In Mathematical Statistics
     C.E. Weatherburn | Cambridge University Press, Published in 1961, 302 pages
114. Class Field Theory
     J. S. Milne | , Published in 2008, 287 pages
115. Tight and Taut Submanifolds
     Thomas E. Cecil, Shiing-shen Chern | Cambridge University Press, Published in 1997, 349 pages
116. Introductory Map Theory
     Yanpei Liu | Kapa & Omega, Published in 2010, 503 pages
117. Finite Euclidean and Non-Euclidean Geometries
     Rene De Vogelaere | arXiv, Published in 2019, 778 pages
118. Complex Analysis for Mathematics and Engineering
     John H. Mathews, Russell W. Howell | Jones & Bartlett Learning, Published in 2006, 633 pages
119. A Century of Mathematics in America
     Peter Duren, Richard A. Askey | American Mathematical Society, Published in 1988
120. Inner Algebra
     Aaron Maxwell | Lulu.com, Published in 2005, 94 pages
121. Infinite-dimensional Lie Algebras
     Iain Gordon | University of Edinburgh, Published in 2009, 55 pages
122. A Friendly Introduction to Mathematical Logic
     Christopher C. Leary, Lars Kristiansen | Milne Library Publishing, Published in 2015, 380 pages
123. Handbook of Mathematical Functions
     M. Abramowitz, I. A. Stegun | GPO, Published in 1964, 1046 pages
124. A First Book in Algebra
     Wallace C. Boyden | Project Gutenberg, Published in 2004, 189 pages
125. Advanced Calculus and Analysis
     Ian Craw | University of Aberdeen, Published in 2000, 110 pages
126. Super Linear Algebra
     W. B. V. Kandasamy, F. Smarandache | InfoQuest, Published in 2008, 293 pages
127. Introduction to Modal Logic
     Gary Hardegree | UMass Amherst, Published in 2009, 275 pages
128. Introduction to the Elementary Functions
     Raymond Benedict McClenon | Ginn and company, Published in 1918, 244 pages
129. Introduction to Algebraic Topology and Algebraic Geometry
     U. Bruzzo | , Published in 2008, 138 pages
130. Multivariable Calculus: Applications and Theory
     Kenneth Kuttler | Brigham Young University, Published in 2011, 466 pages
131. The Calculus of Functions of Several Variables
     Dan Sloughter | Furman University, Published in 2001, 260 pages
132. Mathematics for Algorithm and Systems Analysis
     Edward A. Bender, S. Gill Williamson | Dover Publications, Published in 2005, 256 pages
133. Introduction to Stochastic Processes
     Gordan Žitković | The University of Texas at Austin, Published in 2010, 107 pages
134. Extremes and Recurrence in Dynamical Systems
     Valerio Lucarini, et al. | arXiv, Published in 2016, 305 pages
135. The Game of Logic
     Lewis Carroll | MacMillan, Published in 1887, 128 pages
136. Graph Theory
     Reinhard Diestel | Springer, Published in 2005, 422 pages
137. Topology
     Curtis T. McMullen | Harvard University, Published in 2013, 90 pages
138. Algebraic geometry and projective differential geometry
     Joseph M. Landsberg | arXiv, Published in 1998, 70 pages
139. Theory and Applications of Ordered Fuzzy Numbers
     Piotr Prokopowicz, et al. | Springer, Published in 2017, 322 pages
140. The K-book: An introduction to algebraic K-theory
     Charles Weibel | Rutgers, Published in 2010
141. Understanding Algebra
     James W. Brennan | , Published in 2011, 106 pages
142. Very Basic Noncommutative Geometry
     Masoud Khalkhali | University of Western Ontario, Published in 2004, 104 pages
143. Notes on Symmetric Spaces
     Jonathan Holland, Bogdan Ion | arXiv, Published in 2012, 109 pages
144. Linear Methods of Applied Mathematics
     Evans M. Harrell II, James V. Herod | , Published in 2000
145. Singularities of Transition Processes in Dynamical Systems
     Alexander N. Gorban | American Mathematical Society, Published in 2004, 55 pages
146. Lectures on Symplectic Geometry
     Ana Cannas da Silva | Springer, Published in 2006, 225 pages
147. Stability Analysis via Matrix Functions Method
     A. A. Martynyuk | Bookboon, Published in 2013, 257 pages
148. The Smarandache Function
     C. Dumitrescu, V. Seleacu | Erhus University Press, Published in 1996, 137 pages
149. Geometry, Topology and Physics
     Maximilian Kreuzer | Technische Universitat Wien, Published in 2010, 69 pages
150. Fundamentals of High School Mathematics
     Harold O. Rugg, John R. Clark | Yonkers-on-Hudson, N.Y., Published in 1918, 296 pages
151. Hyperbolic Manifolds, Discrete Groups and Ergodic Theory
     Curtis T. McMullen | Harvard University, Published in 2011, 118 pages
152. Lectures on Stratification of Complex Analytic Sets
     M.-H. Schwartz | Tata Institute of Fundamental Research, Published in 1966, 67 pages
153. Lecture Notes on Embedded Contact Homology
     Michael Hutchings | arXiv, Published in 2013, 88 pages
154. Mathematics and Music
     David Wright | Washington University in St. Louis, Published in 2009, 176 pages
155. Optimization and Dynamical Systems
     U. Helmke, J. B. Moore | Springer, Published in 1996, 414 pages
156. The Essential Elementary and Intermediate Algebra
     Jon Blakely | JonBlakely.com, Published in 2016, 314 pages
157. Enumerative Combinatorics: Volume 1
     Richard P. Stanley | MIT, Published in 2011, 725 pages
158. Lectures on Representation Theory and Invariant Theory
     William Crawley-Boevey | University of Leeds, Published in 1990, 77 pages
159. On 2D Inverse Problems
     | Wikibooks, Published in 2013
160. Fractal Analysis
     Sid-Ali Ouadfeul (ed.) | InTech, Published in 2019, 312 pages
161. Fields and Galois Theory
     J. S. Milne | , Published in 2008, 111 pages
162. Knot Invariants and Higher Representation Theory
     Ben Webster | arXiv, Published in 2013, 87 pages
163. Theory and Applications of Lattice Point Methods for Binomial Ideals
     Ezra Miller | arXiv, Published in 2010, 57 pages
164. Integration and Differential Equations
     R.S. Johnson | BookBoon, Published in 2012, 122 pages
165. Linear Regression Using R: An Introduction to Data Modeling
     David R. Lilja | University of Minnesota, Published in 2016, 91 pages
166. Elementary Topology
     O. Ya. Viro, O. A. Ivanov, N. Yu. Netsvetaev, V. M. Kharlamov | American Mathematical Society, Published in 2008, 400 pages
167. Lower K- and L-theory
     Andrew Ranicki | Cambridge University Press, Published in 2001, 177 pages
168. Elementary Abstract Algebra
     W. Edwin Clark | University of South Florida, Published in 2001, 105 pages
169. Popular Mathematics
     Robert Mudie | Orr and Smith, Published in 1836, 523 pages
170. Advanced High School Statistics
     David M Diez, et al. | OpenIntro, Published in 2017, 458 pages
171. Higher Operads, Higher Categories
     Tom Leinster | arXiv, Published in 2003, 410 pages
172. Applied Finite Mathematics
     Rupinder Sekhon | Connexions, Published in 2011, 347 pages
173. Mathematical Discovery
     A.M. Bruckner, B.S. Thomson, J.B. Bruckner | ClassicalRealAnalysis.com, Published in 2011, 267 pages
174. Multivariable Calculus
     Jerry Shurman | Reed College, Published in 2010, 523 pages
175. An Introduction to Stochastic PDEs
     Martin Hairer | arXiv, Published in 2009, 78 pages
176. Lectures on Shimura Varieties
     A. Genestier, B.C. Ngo | , Published in 2006, 50 pages
177. A Semester Course in Trigonometry
     Marcel B. Finan | Arkansas Tech University, Published in 2003, 264 pages
178. Mathematics for the Practical Man
     George Howe | Van Nostrand, Published in 1918, 221 pages
179. Mathematical Logic
     Stephen G. Simpson | Pennsylvania State University, Published in 2013, 128 pages
180. Lectures on Siegel's Modular Functions
     H. Maass | Tata Institute of Fundamental Research, Published in 1955, 286 pages
181. Medians and Means in Riemannian Geometry: Existence, Uniqueness and Computation
     M. Arnaudon, F. Barbaresco, L. Yang | arXiv, Published in 2011, 48 pages
182. Entropy and Partial Differential Equations
     Lawrence C. Evans | UC Berkeley, Published in 2003, 213 pages
183. n-Linear Algebra of Type I and Its Applications
     W. B. V. Kandasamy, F. Smarandache | InfoLearnQuest, Published in 2008, 120 pages
184. Elementary Mathematics
     W W L Chen, X T Duong | Macquarie University, Published in 1999, 308 pages
185. Notes on Classical Groups
     Peter J. Cameron | Queen Mary and Westfield College, Published in 2000, 96 pages
186. An Elementary Introduction to Group Theory
     M. E. Charkani | AMS, Published in 2018, 47 pages
187. Lectures on Noise Sensitivity and Percolation
     Christophe Garban, Jeffrey E. Steif | arXiv, Published in 2011, 150 pages
188. Notes on Noncommutative Geometry
     Igor Nikolaev | arXiv, Published in 2015, 309 pages
189. SPSS: Stats Practically Short and Simple
     Sidney Tyrrell | BookBoon, Published in 2009, 83 pages
190. Isometrica: A Geometrical Introduction to Planar Crystallographic Groups
     George Baloglou | , Published in 2007, 473 pages
191. Numerical Recipes in Fortran 90
     William H. Press, at al. | Cambridge University Press, Published in 1996, 500 pages
192. High School Mathematics Extensions
     Zhuo Jia Dai, Martin Warmer, Tom Lam | Wikibooks, Published in 2008, 250 pages
193. Encyclopedia of Dynamical Systems
     D. Anosov, at al. | Scholarpedia, Published in 2009
194. Linear Algebra Examples C-3: The Eigenvalue Problem and Euclidean Vector Space
     Leif Mejlbro | BookBoon, Published in 2009, 136 pages
195. An Algorithm for Constructing Lyapunov Functions
     Sigurdur Freyr Hafstein | , Published in 2007, 100 pages
196. An Introductory Course Of Mathematical Analysis
     Charles Walmsley | Cambridge University Press, Published in 1920, 268 pages
197. Residuals and Influence in Regression
     R. Dennis Cook, Sanford Weisberg | Chapman & Hall, Published in 1982, 240 pages
198. Category Theory for Programmers
     Bartosz Milewski | unglue.it, Published in 2017, 510 pages
199. Notes on the Science of Logic
     Nuel Belnap | University of Pittsburgh, Published in 2009, 227 pages
200. Lecture Notes in Discrete Mathematics
     Marcel B. Finan | Arkansas Tech University, Published in 2001, 224 pages
201. Algebraic and Geometric Topology
     Andrew Ranicki, Norman Levitt, Frank Quinn | Springer, Published in 1985, 436 pages
202. Introduction to Projective Varieties
     Enrique Arrondo | Universidad Complutense de Madrid, Published in 2007, 142 pages
203. Linear Algebra C-2: Geometrical Vectors, Vector Spaces and Linear Maps
     Leif Mejlbro | BookBoon, Published in 2009, 126 pages
204. Mathematical Foundations of Probability Theory
     Gane Samb Lo | arXiv.org, Published in 2018, 378 pages
205. Calculus for Beginners and Artists
     Daniel Kleitman | MIT, Published in 2009
206. Elementary Algebra
     John Redden | The Saylor Foundation, Published in 2011, 1334 pages
207. An Architecture for Combinator Graph Reduction
     Philip J. Koopman, Jr. | Academic Press, Published in 1990, 176 pages
208. Elementary Differential Geometry
     Gilbert Weinstein | UAB, Published in 2009, 62 pages
209. Lectures on Exterior Differential Systems
     M. Kuranishi | Tata Institute of Fundamental Research, Published in 1962, 117 pages
210. Higher Mathematics for Students of Chemistry and Physics
     Joseph William Mellor | Longmans, Green, Published in 1902, 580 pages
211. Integral Calculus
     Leah Edelstein-Keshet | University of British Columbia, Published in 2010, 267 pages
212. Discrete Distributions
     Leif Mejlbro | BookBoon, Published in 2009, 72 pages
213. Axiom: The Scientific Computation System
     Richard D. Jenks, Robert S. Sutor | axiom-developer.org, Published in 2003, 1200 pages
214. Category Theory
     | Wikibooks, Published in 2010
215. Statistics
     Philip B. Stark | University of California, Berkeley, Published in 2011
216. Recent Progress on the Random Conductance Model
     Marek Biskup | arXiv, Published in 2012, 80 pages
217. Logic for Computer Science
     Jean H. Gallier | Longman Higher Education, Published in 1986, 528 pages
218. Lectures on Topics in Algebraic Number Theory
     Sudhir R. Ghorpade | Indian Institute of Technology, Bombay, Published in 2002, 83 pages
219. Model Theory
     C. Ward Henson | University of South Carolina, Published in 2010, 122 pages
220. Calculus in Context
     James Callahan, et al. | Five Colleges, Inc., Published in 2008, 869 pages
221. Higher-Dimensional Categories: an illustrated guide book
     Eugenia Cheng, Aaron Lauda | University of Sheffield, Published in 2004, 182 pages
222. Contact Geometry
     Hansjoerg Geiges | arXiv, Published in 2004, 86 pages
223. Everything Maths: Grade 11 Mathematics
     Neels van der Westhuizen, et al. | Siyavula, Published in 2012, 238 pages
224. Elementary Set Theory with a Universal Set
     Randall Holmes | , Published in 2005, 240 pages
225. The Elementary Properties of the Elliptic Functions
     Alfred Cardew Dixon | Macmillan, Published in 1894, 164 pages
226. Functions of a Complex Variable
     Thomas Murray MacRobert | The Macmillan Company, Published in 1917, 328 pages
227. Engineering Statistics Handbook
     | NIST/SEMATECH, Published in 2003
228. Bayesian Networks: Advances and Novel Applications
     Douglas McNair (ed.) | IntechOpen, Published in 2019, 256 pages
229. Exterior Differential Systems
     Robert L. Bryant, et al. | MSRI, Published in 1991, 406 pages
230. Advanced Algebra
     John Redden | lardbucket.org, Published in 2014, 2094 pages
231. Principles of Differential Geometry
     Taha Sochi | viXra, Published in 2016, 161 pages
232. Lectures on Topics in Stochastic Differential Equations
     Daniel W. Stroock | Tata Institute of Fundamental Research, Published in 1982, 93 pages
233. Quadratic Forms and Their Applications
     Andrew Ranicki, et al. | American Mathematical Society, Published in 2000, 314 pages
234. The Hauptvermutung Book: A Collection of Papers on the Topology of Manifolds
     A.A. Ranicki, et al, | Springer, Published in 1996, 194 pages
235. Concepts and Applications of Inferential Statistics
     Richard Lowry | , Published in 2008, 366 pages
236. Probability Theory
     Curtis T. McMullen | Harvard University, Published in 2011, 98 pages
237. Algebraic Curves: an Introduction to Algebraic Geometry
     William Fulton | Benjamin, Published in 1969, 129 pages
238. An Introduction to Combinatorics and Graph Theory
     David Guichard | Whitman College, Published in 2017, 153 pages
239. Lecture notes on C*-algebras, Hilbert C*-modules, and quantum mechanics
     N.P. Landsman | arXiv, Published in 1998, 90 pages
240. Lectures on Stochastic Processes
     K. Ito | Tata Institute of Fundamental Research, Published in 1960, 207 pages
241. A Basic Course in Applied Mathematics
     J. Bystrom, L. Persson, F. Stromberg | Lulea University of Technology, Published in 2010
242. Basic Real Analysis
     Anthony W. Knapp | Birkhäuser, Published in 2016, 840 pages
243. Thin Groups and Superstrong Approximation
     Emmanuel Breuillard, Hee Oh (eds.) | Cambridge University Press, Published in 2014, 362 pages
244. Intermediate Algebra
     Katherine Yoshiwara | Bruce Yoshiwara, Published in 2020, 893 pages
245. Basic Math Quick Reference Handbook
     Peter J. Mitas | Quick Reference Handbooks, Published in 2009, 85 pages
246. Lectures on Analytic Differential Equations
     Yulij Ilyashenko, Sergei Yakovenko | American Mathematical Society, Published in 2007, 599 pages
247. Analysis on Homogeneous Spaces
     Ralph Howard | Royal Institute of Technology Stockholm, Published in 1994, 108 pages
248. H Ring Spectra and Their Applications
     R. R. Bruner, J. P. May, J. E. McClure, M. Steinberger | Springer, Published in 1986, 400 pages
249. The Chaos Hypertextbook
     Glenn Elert | , Published in 2007
250. The Essence of Mathematics Through Elementary Problems
     Alexandre Borovik, Tony Gardiner | Open Book Publishers, Published in 2019, 400 pages
251. Analytic Geometry and Calculus
     F.S. Woods, F.H. Bailey | Ginn and Company, Published in 1917, 542 pages
252. Integrate Your Brain: How To Do Calculus In Your Head
     Aaron Maxwell | Lulu.com, Published in 2006, 51 pages
253. Topology of Stratified Spaces
     Greg Friedman, et al. | Cambridge University Press, Published in 2011, 477 pages
254. Quantum Physics, Relativity, and Complex Spacetime
     Gerald Kaiser | University of Massachusetts at Lowell, Published in 2003, 252 pages
255. The Geometry of Iterated Loop Spaces
     J. P. May | Springer, Published in 1972, 175 pages
256. Lectures on Differential Equations
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