100 boxes training is a Japanese training application. It's a brain training application for training calculation skills. It is an application for learning to multiply, subtract, add, and subtract numbers within 100 milliseconds.

The game is a method to learn multiplication, division, addition, and subtraction. You will be given 100 questions to answer.

The questions are arranged in a random order, and the answers are calculated using a mathematical method specified for each question.

The questions are divided into five levels. The level of difficulty increases as you go higher.

The application is designed to be used by people who have a difficulty with arithmetic.

100 boxes training can be used as a method to improve your mental skills. It is also a good application for those who want to learn mathematics.