Recurrent Sequences: Key Results, Applications, and Problems

Math Storm Olympiad Problems

Lecture Notes for Linear Algebra

Elementary Linear Algebra

Lecture Notes on Graph Theory: Lecture Notes on Graph Theory

A Beginner's Guide to Constructing the Universe: The Mathematical Archetypes of Nature, Art, and Science

An Introductory Course in Elementary Number Theory

Linear Algebra: Theory and Applications

A First Course in Linear Algebra: Study Guide for the Undergraduate Linear Algebra Course

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Problems and Solutions for Integer and Combinatorial Optimization: Building Skills in Discrete Optimization

Linear Algebra For Dummies

How Numbers Work: Discover the strange and beautiful world of mathematics

A History of Pi

Complex Numbers from A to ... Z: Edition 2

Essential Math for Data Science: Take Control of Your Data with Fundamental Linear Algebra, Probability, and Statistics

Linear Algebra: Step by Step

Number Theory: Structures, Examples, and Problems

Ramanujan's Place in the World of Mathematics: Essays Providing a Comparative Study