Download individual chapters of *A Course in Algebraic Number Theory, by Robert B. Ash, in pdf format.*

# Number Theory

## A Course In Algebraic Number Theory

Posted on August 5th, 2013

## Elementary Number Theory

Posted on March 24th, 2006

Free eBook **“Elementary Number Theory: Primes, Congruences, and Secrets: A Computational Approach”** by William Stein. This is a textbook about classical elementary number theory and elliptic curves. The first part discusses elementary topics such as primes, factorization, continued fractions, and quadratic forms, in the context of cryptography, computation, and deep open research problems.

## A Computational Introduction to Number Theory and Algebra

Posted on March 24th, 2006

A book introducing basic concepts from computational number theory and algebra, including all the necessary mathematical background. This book can be downloaded in pdf format.