The soroban is an abacus developed in Japan. It is derived from the ancient Chinese suanpan, imported to Japan in the 14th century. Like the suanpan, the soroban is still used today, despite the proliferation of practical and affordable pocket electronic calculators.

What is Soroban math?

The SOROBAN, known as the Japanese abacus in English, is a rectangular wooden instrument used to do calculations based on the decimal system. Thorough the time period, Soroban has not only considered as a calculation instrument , but also as a brain training tools.

How old is the soroban?

The soroban (算盤, そろばん, counting tray) is an abacus developed in Japan. It is derived from the ancient Chinese suanpan, imported to Japan in the 14th century.