Arithmetic trainer for the mathematically challenged

Japanese folk, both young and old, who lack the foundations of a healthy mathematics knowledge may partake in rigorous exercises allowing one to confront their demons (with impeccable Algebra skills) and, ultimately defeat them with math skills of their own. It's a war where the sevens eat nines (ynuck ynuck) ...

With various schools of math being present, the game looks like (and we're going on Google translation here) it takes you through all of math's different problems such as subtraction and division, progressing on to more difficult exercises as the player solves them.