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. The Calculus of Functions of Several Variables
   Dan Sloughter | Furman University, Published in 2001, 260 pages
2. Probability, Statistics and Stochastic Processes
   Cosma Rohilla Shalizi | , Published in 2001, 71 pages
3. Introduction to Tensor Calculus
   Kees Dullemond, Kasper Peeters | University of Heidelberg, Published in 2010, 53 pages
4. Linear Algebra Examples C-3: The Eigenvalue Problem and Euclidean Vector Space
   Leif Mejlbro | BookBoon, Published in 2009, 136 pages
5. Arimaa
   | Wikibooks, Published in 2011
6. Category Theory for the Sciences
   David I. Spivak | The MIT Press, Published in 2014, 496 pages
7. Introduction to Lie Groups, Adjoint Action and Some Generalizations
   Marcos M. Alexandrino, Renato G. Bettiol | arXiv, Published in 2010, 129 pages
8. Residues and Duality
   Robin Hartshorne | Springer, Published in 1966, 434 pages
9. Knot Diagrammatics
   Louis H. Kauffman | arXiv, Published in 2004, 107 pages
10. Lectures on Measure Theory and Probability
    H.R. Pitt | Tata institute of Fundamental Research, Published in 1958, 126 pages
11. A Handbook of Statistics
    Darius Singpurwalla | Bookboon, Published in 2013, 79 pages
12. Linear Complementarity, Linear and Nonlinear Programming
    Katta G. Murty | , Published in 1997, 613 pages
13. Spherical Trigonometry
    I. Todhunter | Macmillan and co, Published in 1886, 189 pages
14. Algebraic Geometry over the Complex Numbers
    Donu Arapura | Purdue University, Published in 2009, 234 pages
15. Differential Calculus
    Pierre Schapira | Université Paris VI, Published in 2011, 60 pages
16. Music: A Mathematical Offering
    Dave Benson | Cambridge University Press, Published in 2006, 530 pages
17. Problems in Mathematical Analysis
    B. P. Demidovich | MIR Publishers, , 511 pages
18. Global Analysis: Functional Analysis Examples
    Leif Mejlbro | BookBoon, Published in 2009, 78 pages
19. Lectures on Torus Embeddings and Applications
    Tadao Oda | Tata Institute of Fundamental Research, Published in 1978, 158 pages
20. Basic Analysis Gently Done: Topological Vector Spaces
    Ivan F. Wilde | King's College, London, Published in 2010, 129 pages
21. Lectures on The Finite Element Method
    Ph. Ciarlet | Tata Institute of Fundamental Research, Published in 1975, 145 pages
22. Lectures on Birational Geometry
    Caucher Birkar | arXiv, Published in 2012, 85 pages
23. An Introduction to Gaussian Geometry
    Sigmundur Gudmundsson | Lund University, Published in 2009, 75 pages
24. Introduction to Groups, Invariants and Particles
    Frank W. K. Firk | Orange Grove Texts Plus, Published in 2000, 162 pages
25. Learning Statistics with R
    Daniel Navarro | University of Adelaide, Published in 2014, 564 pages
26. Handbook of Modal Logic
    Patrick Blackburn, Johan van Benthem, Frank Wolter | , Published in 2006, 1260 pages
27. College Algebra
    Richard Beveridge | , Published in 2018, 198 pages
28. The Adams-Novikov Spectral Sequence and the Homotopy Groups of Spheres
    Paul Goerss | Northwestern University, Published in 2007, 47 pages
29. Encyclopedia of Dynamical Systems
    D. Anosov, at al. | Scholarpedia, Published in 2009
30. Calculus
    Gilbert Strang | Wellsley Cambridge Press, Published in 1991, 671 pages
31. Introduction to Real Analysis
    William F. Trench | Prentice Hall, Published in 2003, 583 pages
32. An Elementary Treatise on Coordinate Geometry
    Robert J.T. Bell | Macmillan, Published in 1963, 398 pages
33. Optimization Algorithms on Matrix Manifolds
    P.-A. Absil, R. Mahony, R. Sepulchre | Princeton University Press, Published in 2007, 240 pages
34. Lectures On Irregularities Of Distribution
    Wolfgang M. Schmidt | Tata Institute of Fundamental Research, Published in 1977, 137 pages
35. Seeing Theory: A visual introduction to probability and statistics
    T. Devlin, J. Guo, D. Kunin, D. Xiang | Brown University, Published in 2018, 66 pages
36. Lectures On Levi Convexity Of Complex Manifolds And Cohomology Vanishing Theorems
    E. Vesentini | Tata Institute Of Fundamental Research, Published in 1967, 114 pages
37. Statistical Tools for Economists
    Daniel McFadden | University of California, Berkeley, Published in 2001
38. Mathematics and Physics of Emerging Biomedical Imaging
    National Research Council | National Academies Press, Published in 1996, 238 pages
39. Lower K- and L-theory
    Andrew Ranicki | Cambridge University Press, Published in 2001, 177 pages
40. Comparison Geometry
    Karsten Grove, Peter Petersen | Cambridge University Press, Published in 1997, 262 pages
41. Opera Magistris
    Vincent Isoz | Sciences.ch, Published in 2016, 5273 pages
42. Iterative Methods in Combinatorial Optimization
    Lap Chi Lau, R. Ravi, M. Singh | Cambridge University Press, Published in 2011, 229 pages
43. Elementary Topology
    O. Ya. Viro, O. A. Ivanov, N. Yu. Netsvetaev, V. M. Kharlamov | American Mathematical Society, Published in 2008, 400 pages
44. Harmonic Analysis, the Trace Formula, and Shimura Varieties
    J. Arthur, D. Ellwood, R. Kottwitz | American Mathematical Society, Published in 2005, 706 pages
45. Magic Squares and Cubes
    W. S. Andrews | Open Court Publishing Company, Published in 1917, 428 pages
46. Introduction to Randomness and Statistics
    Alexander K. Hartmann | arXiv, Published in 2009, 95 pages
47. Combinatorial and Computational Geometry
    J. E. Goodman, J. Pach, E. Welzl | Cambridge University Press, Published in 2007, 616 pages
48. Philosophy and Fun of Algebra
    Mary Everest Boole | C. W. Daniel, Published in 1891, 56 pages
49. Multiplication of Vectors and Structure of 3D Euclidean Space
    Miroslav Josipovic | viXra, Published in 2016, 70 pages
50. Engineering Statistics Handbook
    | NIST/SEMATECH, Published in 2003
51. Irrational Numbers and Their Representation by Sequences and Series
    Henry Parker Manning | J. Wiley & sons, Published in 1906, 156 pages
52. An Introduction to Hilbert Module Approach to Multivariable Operator Theory
    Jaydeb Sarkar | arXiv, Published in 2013, 52 pages
53. Graduate Algebra
    Leonard Evens | Northwestern University, Published in 1999, 160 pages
54. Calculus
    | Wikibooks, Published in 2011, 456 pages
55. Reader-friendly Introduction to the Measure Theory
    Vasily Nekrasov | Yetanotherquant.de, Published in 2009, 117 pages
56. Linear Algebra Done Wrong
    Sergei Treil | , Published in 2004, 222 pages
57. Higher Mathematics for Students of Chemistry and Physics
    Joseph William Mellor | Longmans, Green, Published in 1902, 580 pages
58. Introduction to Differential Geometry and General Relativity
    Stefan Waner | , Published in 2005, 138 pages
59. Real Variables: With Basic Metric Space Topology
    Robert B. Ash | Institute of Electrical & Electronics Engineering, Published in 2007, 213 pages
60. Geometry Formulas and Facts
    Silvio Levy | CRC Press, Published in 1995
61. Numerical Methods For Time Dependent Equations
    P. Lascaux | Tata Institute of Fundamental Research, Published in 1976, 162 pages
62. Higher Mathematics for Engineers and Physicists
    Ivan S. Sokolnikoff | McGraw Hill, Published in 1941, 537 pages
63. Numerical Analysis for Engineering
    Douglas W. Harder, Richard Khoury | University of Waterloo, Published in 2010
64. Lectures on Siegel Modular Forms and Representation by Quadratic Forms
    Y. Kitaoka | Tata Institute of Fundamental Research, Published in 1986, 197 pages
65. Introductory Statistics: Concepts, Models, and Applications
    David W. Stockburger | Missouri State University, Published in 1996
66. Lectures On Unique Factorization Domains
    P. Samuel | Tata Institute Of Fundamental Research, Published in 1964, 68 pages
67. Linear Algebra: A Course for Physicists and Engineers
    Arak Mathai,‎ Hans J. Haubold | De Gruyter Open, Published in 2017, 450 pages
68. Mathematical Illustrations: A Manual of Geometry and PostScript
    Bill Casselman | Cambridge University Press, Published in 2005, 336 pages
69. A Minimum of Stochastics for Scientists
    Noel Corngold | Caltech, Published in 2009, 77 pages
70. The Smarandache Function
    C. Dumitrescu, V. Seleacu | Erhus University Press, Published in 1996, 137 pages
71. Computational Modeling and Mathematics Applied to the Physical Sciences
    | National Academy Press, Published in 1984, 108 pages
72. Functional Analysis
    Feng Tian, Palle E.T. Jorgensen | arXiv, Published in 2010, 98 pages
73. Higher Algebra
    Jacob Lurie | Harvard University, Published in 2017, 1166 pages
74. Calculus and Linear Algebra. Vol. 2
    Wilfred Kaplan, Donald J. Lewis | University of Michigan Library, Published in 2007, 606 pages
75. Applied and Computational Linear Algebra: A First Course
    Charles L. Byrne | University of Massachusetts Lowell, Published in 2013, 504 pages
76. Stability, Riemann Surfaces, Conformal Mappings: Complex Functions Theory a-3
    Leif Mejlbro | BookBoon, Published in 2010, 115 pages
77. Manifolds
    Neil Lambert | King's College London, Published in 2011, 59 pages
78. Algebraic and Geometric Topology
    Andrew Ranicki, Norman Levitt, Frank Quinn | Springer, Published in 1985, 436 pages
79. Applied Probability
    Paul E Pfeiffer | Connexions, Published in 2008, 634 pages
80. Noncommutative Geometry
    Alain Connes | Academic Press, Published in 1994, 654 pages
81. Trigonometry Notes
    Steven Sy | Michigan State University, Published in 2008, 448 pages
82. Introduction to Proof Theory
    Gilles Dowek | ESSLLI, Published in 2001, 82 pages
83. Lectures on Differential Equations
    Craig A. Tracy | University of California, Published in 2011, 131 pages
84. Intersection Graphs: An Introduction
    Madhumangal Pal | arXiv, Published in 2014, 49 pages
85. Encyclopaedia of Mathematics
    Michiel Hazewinkel | Springer, Published in 2011
86. Mathematical Discovery
    A.M. Bruckner, B.S. Thomson, J.B. Bruckner | ClassicalRealAnalysis.com, Published in 2011, 267 pages
87. Toeplitz and Circulant Matrices: A review
    Robert M. Gray | Now Publishers Inc, Published in 2006, 104 pages
88. Fundamentals of Practical Mathematics
    George Wentworth | Ginn and Co., Published in 1922, 220 pages
89. Hilbert Space Methods for Partial Differential Equations
    R. E. Showalter | Pitman, Published in 1994, 208 pages
90. Differential and Integral Equations: Boundary Value Problems and Adjoints
    S. Schwabik, M. Tvrdy, O. Vejvoda | Academia Praha, Published in 1979, 246 pages
91. Topology Lecture Notes
    Thomas Ward | UEA, Published in 2001, 88 pages
92. Voting, Arbitration & Fair Division: Mathematics of Social Choice
    Marcus Pivato | Trent University, Published in 2007, 181 pages
93. Engineering Mathematics: YouTube Workbook
    Christopher C. Tisdell | BookBoon, Published in 2012, 114 pages
94. Arithmetic Duality Theorems
    J.S. Milne | BookSurge Publishing, Published in 2006, 347 pages
95. Categories, Types, and Structures
    Andrea Asperti, Giuseppe Longo | MIT Press, Published in 1991, 300 pages
96. Introduction to Differential Topology, de Rham Theory and Morse Theory
    Michael Muger | Radboud University, Published in 2005, 80 pages
97. Mathematical Methods for Physical Sciences II
    Christoph Kirsch | University of North Carolina, Published in 2011, 209 pages
98. Applied Analysis
    J. Hunter, B. Nachtergaele | World Scientific Publishing Company, Published in 2005, 439 pages
99. Advanced Graph Theory and Combinatorial Optimization
    Alexander Schrijver | , Published in 2012, 64 pages
100. Functional and Structured Tensor Analysis for Engineers
     R. M. Brannon | The University of Utah, Published in 2003, 323 pages
101. Exploring Discrete Mathematics Using Maple
     Kenneth H. Rosen | Mcgraw-Hill College, Published in 1996, 400 pages
102. generatingfunctionology
     Herbert S. Wilf | A K Peters, Ltd., Published in 2006, 245 pages
103. Introductory Statistics
     T. H. Wonnacott, R. J. Wonnacott | Wiley, Published in 1969, 416 pages
104. Introduction to Stochastic Processes
     Gordan Žitković | The University of Texas at Austin, Published in 2010, 107 pages
105. An Introduction to Lie Group Integrators
     E. Celledoni, H. Marthinsen, B. Owren | arXiv, Published in 2012, 28 pages
106. Differential Geometry Course Notes
     Richard Koch | University of Oregon, Published in 2005, 188 pages
107. Practical Mathematics
     Cargill Gilston Knott | Chambers, Published in 1914, 652 pages
108. Workbook in Higher Algebra
     David Surowski | , Published in 1992, 194 pages
109. Notes on Differential Equations
     Bob Terrell | , Published in 2005, 99 pages
110. Multivariable Calculus: Applications and Theory
     Kenneth Kuttler | Brigham Young University, Published in 2011, 466 pages
111. Formal Logic
     | Wikibooks, Published in 2009
112. Topics in Differential Geometry
     Peter W. Michor | American Mathematical Society, Published in 2008, 429 pages
113. Group Theory: Birdtracks, Lie's, and Exceptional Groups
     Predrag Cvitanovic | Princeton University Press, Published in 2008, 285 pages
114. Lectures on Stochastic Processes
     K. Ito | Tata Institute of Fundamental Research, Published in 1960, 207 pages
115. Flatland: A Romance of Many Dimensions
     Edwin A. Abbot | Seeley and Co., Published in 1884, 120 pages
116. Algorithmic Number Theory
     J.P. Buhler, P. Stevenhagen | Cambridge University Press, Published in 2008, 662 pages
117. Introduction to Mathematical Logic: A problem solving course
     Arnold W. Miller | arXiv, Published in 1996, 75 pages
118. High School Mathematics Extensions
     Zhuo Jia Dai, Martin Warmer, Tom Lam | Wikibooks, Published in 2008, 250 pages
119. Lectures on Meromorphic Functions
     W.K. Hayman | Tata Institue of Fundamental Research, Published in 1959, 119 pages
120. First Course in Statistics
     D Caradog Jones | G Bell, Published in 1921, 288 pages
121. Introduction to Analysis
     Ray Mayer | Reed College, Published in 2006, 291 pages
122. Fractals
     | Wikibooks, Published in 2013
123. Lectures on Numerical Methods in Bifurcation Problems
     H.B. Keller | Tata Institute Of Fundamental Research, Published in 1986, 140 pages
124. Scientific Computing
     Jeffrey R. Chasnov | Harvey Mudd College, Published in 2013, 152 pages
125. Course of Analytical Geometry
     Ruslan Sharipov | UFA, Published in 2011, 226 pages
126. Contact Geometry
     Hansjoerg Geiges | arXiv, Published in 2004, 86 pages
127. Ergodic Optimization, Zero Temperature Limits and the Max-plus Algebra
     A. T. Baraviera, R. Leplaideur, A. O. Lopes | arXiv, Published in 2013, 106 pages
128. The Theory Of Integration
     L. C. Young | Cambridge University Press, Published in 1927, 69 pages
129. Elementary Calculus
     Frederick S Woods, Frederick H Bailey | Ginn and Company, Published in 1922, 323 pages
130. Foundations in Statistical Reasoning
     Pete Kaslik | , Published in 2018, 310 pages
131. Stochastic Integration and Stochastic Differential Equations
     Klaus Bichteler | University of Texas, Published in 2002, 643 pages
132. Elementary College Geometry
     Henry Africk | CUNY Academic Works, Published in 2013, 376 pages
133. Ricci Flow and the Poincare Conjecture
     John Morgan, Gang Tian | American Mathematical Society, Published in 2007, 493 pages
134. Lectures on Cyclic Homology
     D. Husemoller | Tata Institute of Fundamental Research, Published in 1991, 114 pages
135. Finite Group Representations for the Pure Mathematician
     Peter Webb | University of Minnesota, Published in 2007, 183 pages
136. Quadratic Forms and Their Applications
     Andrew Ranicki, et al. | American Mathematical Society, Published in 2000, 314 pages
137. Intro to Abstract Algebra
     Paul Garrett | , Published in 1998, 200 pages
138. Algorithmic Graph Theory
     David Joyner, Minh Van Nguyen, Nathann Cohen | Google Code, Published in 2010, 105 pages
139. The Chaos Hypertextbook
     Glenn Elert | , Published in 2007
140. Applied Combinatorics
     Mitchel T. Keller, William T. Trotter | Georgia Institute of Technology, Published in 2013, 345 pages
141. A First Course in Complex Analysis
     M. Beck, G. Marchesi, D. Pixton | San Francisco State University, Published in 2012, 215 pages
142. Proof, Sets, and Logic
     M. Randall Holmes | Boise State University, Published in 2009, 207 pages
143. An Introduction to High Dimensional Knots
     Eiji Ogasa | arXiv, Published in 2013, 92 pages
144. Problems with and Without ... Problems!
     Florentin Smarandache | viXra, Published in 2011, 136 pages
145. Ends of Complexes
     Bruce Hughes, Andrew Ranicki | Cambridge University Press, Published in 2008, 375 pages
146. Introduction to Partial Differential Equations
     John Douglas Moore | UCSB, Published in 2003, 169 pages
147. Global Theory Of Minimal Surfaces
     David Hoffman | American Mathematical Society, Published in 2005, 808 pages
148. Arithmetic for Engineers
     Charles B. Clapham | Chapman & Hall, Published in 1925, 526 pages
149. A Course of Elementary Mathematics
     John Radford Young | Wm. H. Allen, Published in 1862, 658 pages
150. Proofs and Types
     J. Girard, Y. Lafont, P. Taylor | Cambridge University Press, Published in 1989, 183 pages
151. Galois Theory: Lectures Delivered at the University of Notre Dame
     Emil Artin | University of Notre Dame, Published in 1971, 96 pages
152. Grassmann Algebra
     John Browne | , Published in 2001, 238 pages
153. Modal Logic of Strict Necessity and Possibility
     Evgeni Latinov | OTexts, Published in 2014, 264 pages
154. Partial Differential Equations
     Erich Miersemann | Leipzig University, Published in 2012, 205 pages
155. Design of Comparative Experiments
     R. A. Bailey | Cambridge University Press, Published in 2008, 348 pages
156. Lectures on Holomorphic Curves in Symplectic and Contact Geometry
     Chris Wendl | arXiv, Published in 2010, 153 pages
157. Interactive Real Analysis
     Bert G. Wachsmuth | Seton Hall University, Published in 2007
158. Linear Regression Using R: An Introduction to Data Modeling
     David R. Lilja | University of Minnesota, Published in 2016, 91 pages
159. Parallel Spectral Numerical Methods
     Gong Chen, et al. | Wikibooks, Published in 2013
160. Wave Propagation Analysis with Boundary Element Method
     Chiara Guardasoni | Ledizioni LediPublishing, Published in 2010, 130 pages
161. Tabletop: Analog Game Design
     Greg Costikyan, Drew Davidson | , Published in 2011, 206 pages
162. Partial Differential Equations of Mathematical Physics
     William W. Symes | Rice University, Published in 2006, 105 pages
163. The Essential Elementary and Intermediate Algebra
     Jon Blakely | JonBlakely.com, Published in 2016, 314 pages
164. Lectures on Discrete and Polyhedral Geometry
     Igor Pak | UCLA, Published in 2008, 428 pages
165. Introduction to Applied Linear Algebra: Vectors, Matrices and Least Squares
     Stephen Boyd, Lieven Vandenberghe | Cambridge University Press, Published in 2018, 473 pages
166. Determinantal Rings
     Winfried Bruns, Udo Vetter | Springer, Published in 1988, 244 pages
167. Special Functions and Their Symmetries: Postgraduate Course in Applied Analysis
     Vadim Kuznetsov, Vladimir Kisil | University of Leeds, Published in 2003
168. Digraphs: Theory, Algorithms and Applications
     Jorgen Bang-Jensen, Gregory Gutin | Springer, Published in 2002, 772 pages
169. Mathematical Exercises for Home Work
     A.T. Richardson | Macmillan and co., Published in 1892, 364 pages
170. Essentials of Statistics
     David Brink | BookBoon, Published in 2008, 102 pages
171. Ordinary Differential Equations and Dynamical Systems
     Gerald Teschl | Universitaet Wien, Published in 2009, 297 pages
172. Set Theory
     Gary Hardegree | UMass Amherst, Published in 2003
173. A History of Greek Mathematics
     Thomas Little Heath | Clarendon Press, Published in 1921, 1084 pages
174. Integral Operators
     Leif Mejlbro | BookBoon, Published in 2009, 66 pages
175. An Introduction to Good Old Fashioned Model Theory
     Harold Simmons | The University of Manchester, Published in 2004, 180 pages
176. Computer Algebra, Algorithms, Systems and Applications
     Richard Liska, at al. | Czech Technical University, Published in 1996
177. Stochastic Differential Equations: Models and Numerics
     Anders Szepessy, et al. | KTH, Published in 2010, 202 pages
178. Model Theory
     C. Ward Henson | University of South Carolina, Published in 2010, 122 pages
179. Lectures on Harmonic Analysis
     Thomas Wolff | American Mathematical Society, Published in 2003, 85 pages
180. Introductory Statistics Notes
     Jamie DeCoster | University of Alabama, Published in 1998, 48 pages
181. Topics in Logic and Foundations
     Stephen G. Simpson | The Pennsylvania State University, Published in 2005, 89 pages
182. Operator Algebras and Quantum Statistical Mechanics
     Ola Bratteli, Derek W. Robinson | Springer, Published in 2003, 505 pages
183. Algebraic K-Theory
     Hyman Bass | W. A. Benjamin, Published in 1968, 793 pages
184. Discrete Mathematics: An Open Introduction
     Oscar Levin | University of Northern Colorado, Published in 2017, 345 pages
185. Plane and Spherical Trigonometry
     Elmer A. Lyman, Edwin C. Goddard | Allyn and Bacon, Published in 1900, 157 pages
186. Lectures on Fibre Bundles and Differential Geometry
     J.L. Koszul | Tata Institute of Fundamental Research, Published in 1960, 105 pages
187. Probability on Trees and Networks
     Russell Lyons, Yuval Peres | Cambridge University Press, Published in 2016, 716 pages
188. Noncommutative Geometry, Quantum Fields and Motives
     Alain Connes, Matilde Marcolli | American Mathematical Society, Published in 2007, 705 pages
189. Non-Euclidean Geometry
     Henry Manning | Ginn and Company, Published in 1901, 93 pages
190. Introduction to Algebraic Geometry
     Yuriy Drozd | , Published in 1999, 104 pages
191. Iterative Methods for Sparse Linear Systems
     Yousef Saad | PWS, Published in 1996
192. Calculus Made Easy
     Silvanus P. Thompson | The MacMillan Company, Published in 1914, 315 pages
193. A Course of Pure Mathematics
     G.H. Hardy | Cambridge University Press, Published in 1921, 476 pages
194. Elementary Algebra
     Denny Burzynski, Wade Ellis | Saunders College Publishing, Published in 1989, 544 pages
195. Proof Theory and Philosophy
     Greg Restall | consequently.org, Published in 2006, 168 pages
196. Lectures on Logarithmic Algebraic Geometry
     Arthur Ogus | University of California, Berkeley, Published in 2006, 255 pages
197. Mathematical Biology
     Jeffrey R. Chasnov | The Hong Kong University of Science & Technology, Published in 2010, 115 pages
198. Indian Mathematics
     G. R. Kaye | Thacker, Spink & Co., Published in 1915, 102 pages
199. Abelian Varieties
     J. S. Milne | , Published in 2008, 172 pages
200. Current Topics in Complex Algebraic Geometry
     Herbert Clemens, János Kollár | Cambridge University Press, Published in 1996, 172 pages
201. Topology
     Curtis T. McMullen | Harvard University, Published in 2013, 90 pages
202. H Ring Spectra and Their Applications
     R. R. Bruner, J. P. May, J. E. McClure, M. Steinberger | Springer, Published in 1986, 400 pages
203. An Invitation to Mathematics
     Arnold Dresden | H. Holt and Company, Published in 1936, 453 pages
204. An Introduction to Nonassociative Algebras
     Richard D. Schafer | Project Gutenberg, Published in 2008, 81 pages
205. Introduction to Commutative Algebra
     Thomas J. Haines | University of Maryland, Published in 2005, 87 pages
206. Combinatorial Group Theory
     Charles F. Miller III | University of Melbourne, Published in 2004, 99 pages
207. Integrate Your Brain: How To Do Calculus In Your Head
     Aaron Maxwell | Lulu.com, Published in 2006, 51 pages
208. Calculus: A Modern, Rigorous Approach
     Horst R. Beyer | , Published in 2007, 805 pages
209. Higher Geometry: an introduction to advanced methods in analytic geometry
     Frederick S. Woods | Ginn & Co., Published in 1922, 450 pages
210. Category Theory for Computing Science
     Michael Barr, Charles Wells | Prentice Hall, Published in 1998, 544 pages
211. 18 Lectures on K-Theory
     Ioannis P. Zois | arXiv, Published in 2010, 137 pages
212. Diffeomorphisms of Elliptic 3-Manifolds
     S. Hong, J. Kalliongis, D. McCullough, J. H. Rubinstein | arXiv, Published in 2011, 185 pages
213. Why are Braids Orderable?
     Patrick Dehornoy, at al. | , Published in 2010, 206 pages
214. Geometric Models for Noncommutative Algebra
     Ana Cannas da Silva, Alan Weinstein | University of California at Berkeley, Published in 1998, 194 pages
215. Mathematics and Group Theory in Music
     Athanase Papadopoulos | arXiv, Published in 2014, 33 pages
216. Statistical Inference for Everyone
     Brian S Blais | Save The Broccoli Publishing, Published in 2014, 200 pages
217. Elements of Group Theory
     F. J. Yndurain | arXiv, Published in 2007, 65 pages
218. Vedic Mathematics
     W. B. Kandasamy, F. Smarandache | Automaton, Published in 2006, 220 pages
219. An Invitation to General Algebra and Universal Constructions
     George M. Bergman | Henry Helson, Published in 1998, 398 pages
220. Data Assimilation: A Mathematical Introduction
     K.J.H. Law, A.M. Stuart, K.C. Zygalakis | arXiv.org, Published in 2015, 158 pages
221. A Gentle Introduction to Tensors
     Boaz Porat | Technion, Published in 2010, 87 pages
222. Solid Geometry, with Problems and Applications
     H. E. Slaught, N. J. Lennes | Allyn and Bacon, Published in 1919, 242 pages
223. The Calculus
     William V. Smith | Brigham Young University, Published in 2001, 144 pages
224. Group Theory
     J. S. Milne | , Published in 2009, 127 pages
225. Lectures On The General Theory Of Integral Functions
     Georges Valiron | Chelsea Pub. Co., Published in 1949, 234 pages
226. Lectures on Shimura Varieties
     A. Genestier, B.C. Ngo | , Published in 2006, 50 pages
227. An Elementary Illustrated Introduction to Simplicial Sets
     Greg Friedman | arXiv.org, Published in 2016, 58 pages
228. Smarandache Loops
     W. B. Vasantha Kandasamy | American Research Press, Published in 2002, 129 pages
229. Radically Elementary Probability Theory
     Edward Nelson | Princeton University Press, Published in 1987, 111 pages
230. Beginning and Intermediate Algebra
     Tyler Wallace | Lulu.com, Published in 2010, 489 pages
231. Probability for Finance
     Patrick Roger | BookBoon, Published in 2010, 115 pages
232. Dynamical Systems and Sheaves
     D. I. Spivak, C. Vasilakopoulou, P. Schultz | arXiv, Published in 2016, 65 pages
233. Introductory Map Theory
     Yanpei Liu | Kapa & Omega, Published in 2010, 503 pages
234. An Introduction to Quantum Chaos
     Mason A. Porter | arXiv, Published in 2001, 57 pages
235. Chaos: Classical and Quantum
     Predrag Cvitanovic | ChaosBook.org, Published in 2008, 813 pages
236. Virtual Polyhedra: The Encyclopedia of Polyhedra
     George W. Hart | , Published in 2000
237. Comments and topics on Smarandache notions and problems
     Kenichiro Kashihara | Erhus University Press, Published in 1996, 50 pages
238. Euclid's 'Elements' Redux
     Daniel Callahan | starrhorse.com, Published in 2013, 219 pages
239. Plane Geometry
     George Wentworth, David E. Smith | Ginn and Company, Published in 1913, 304 pages
240. Groups Around Us
     Pavel Etingof | Massachusetts Institute of Technology, Published in 2018, 25 pages
241. Contact Topology
     George Torres, Robert Gompf | University of Texas at Austin, Published in 2017, 51 pages
242. Unfolding the Labyrinth: Open Problems in Mathematics, Physics, Astrophysics
     Florentin Smarandache, at al. | arXiv, Published in 2006, 139 pages
243. Lectures on Optimization: Theory and Algorithms
     John Cea | Tata Institute of Fundamental Research, Published in 1978, 237 pages
244. Topics in Random Matrix Theory
     Terence Tao | , Published in 2011, 340 pages
245. The Convenient Setting of Global Analysis
     Andreas Kriegl, Peter W. Michor | American Mathematical Society, Published in 1997, 624 pages
246. The Encyclopedia of Gambling
     Peter Arnold | Chartwell Books, Published in 1977, 256 pages
247. Lectures on Representations of Complex Semi-Simple Lie Groups
     Thomas J. Enright | Tata Institute of Fundamental Research, Published in 1981, 94 pages
248. Euclid's Elements
     D.E.Joyce | , Published in 1998
249. Von Neumann Algebras
     Vaughan F. R. Jones | UC Berkeley Mathematics, Published in 2010, 159 pages
250. Lecture Notes on Embedded Contact Homology
     Michael Hutchings | arXiv, Published in 2013, 88 pages
251. Lectures on Introduction to Algebraic Topology
     G. de Rham | Tata Institute of Fundamental Research, Published in 1969, 71 pages
252. Preparing for College Physics
     David Murdock | TTU, Published in 2002, 64 pages
253. Distribution Theory (Generalized Functions)
     Ivan F Wilde | , Published in 2005, 66 pages
254. A Sampler of Riemann-Finsler Geometry
     D. Bao, R. Bryant, S. Chern, Z. Shen | Cambridge University Press, Published in 2004, 376 pages
255. A Course of Pure Geometry: Properties of the Conic Sections
     E.H. Askwith | Cambridge University Press, Published in 1917, 314 pages
256. Foliations and the Geometry of 3-manifolds
     Danny Calegari | Oxford University Press, Published in 2007, 371 pages
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390. Geometry with an Introduction to Cosmic Topology
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435. Notes on Classical Groups
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440. Stochastic Processes
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