Japan Abacus Exams description
You work out written‐down problem on Japanese Abacus.
Let's try problems with Japanese Abacus.
There are problems on Grade 10(low level) - Grade 1(high level) in Japan Abacus Examination.
Exams mode is supported.
In this mode, you can try for Japan Abacus Exams.
If you don't hav Japanese Abacus, you use a electric calculator...