What are Ninjutsu and Ninja?

A person who uses Ninjutsu is a ninja. Ninjutsu is not a martial art. Ninjutsu is an independent art of warfare that developed mainly in the regions of Iga in Mie Prefecture, and Koga in Shiga Prefecture, in central Japan. The Ninjutsu of Iga-ryu and Koga-ryu stem...

Online class is launched

Sign up online at http://math-ninja.org/register/. We’re planning on the soroban give away. The first lesson will start soon as well as the Hangout one on one training sessions. We’ll teach you 9 lessons that are: Ninjutsu1: Addition and subtraction by...