Number theory is an ancient subject, but we still cannot answer many simplest and most natural questions about the integers. Some old problems have been solved,

Five years after having published the first volume, the authors obtained many new results related to Smarandaches Problems. They are collected in this book and

This book contains 34 papers, most of which were written by participants to the First Northwest Number Theory Conference held in Shangluo Teacher?s College, Chi

About the works of Florentin Smarandache have been written a lot of books (he himself wrote dozens of books and articles regarding math, physics, literature, ph