Advanced Abacus: Theory and Practice

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

Hypercomplex Analysis and Applications

An Introductory Course in Elementary Number Theory

Israel Gohberg and Friends: On the Occasion of his 80th Birthday

Ramanujan's Lost Notebook: Part I, Part 1

Hypercomplex Analysis

Notebooks of Srinivasa Ramanujan: Volume II, Volume 2

New Trends in Analysis and Interdisciplinary Applications: Selected Contributions of the 10th ISAAC Congress, Macau 2015

Modern Trends in Hypercomplex Analysis

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

Advances in Hypercomplex Analysis

A History of Pi

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

Number Theory: Structures, Examples, and Problems

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

Proof and the Art of Mathematics