Modular Arithmetic: 100+ Exercises and Detailed Solutions From Number Theory to Cryptography

Number Theory: 100+ Exercises with Detailed Solutions From Divisibility to Cryptographic Applications

The Number Theory Method: Divisibility, Congruences, Primes, and Cryptography Step-by-Step Exercises with Full Solutions

Combinatorics and Counting: 100+ Exercises with Detailed Solutions From Permutations to Complex Problems

Arithmetic, Geometry, Cryptography and Coding Theory (Contemporary Mathematics)