This is Abacus and Mental Arithmetic Training program. For those people who study Math using Abacus mental calculation method.

There are two modes for this application:
- Practice mode
- Game Level Mode

In Practice Mode, you can choose any number of value to add and any number of question for the practice. It will give you real time feedback whether you got it right or wrong.

In Game Level mode, there are 10 levels, you have to get 9 out of 10 right in order to pass to the next level. The difficulty increases for the higher level.

The default mode is Game Level mode.

Currently it only support addition and subtraction.

We also provide a visual feedback for the questions. Basically each correct answer will reveal a part of images on your right side. Now you have the challenge to discover the image.

The numbers are listed vertically because it is easier for the user when using Abacus Mental Arithmetic or Calculation techniques.