Calculator with integrated soroban abacus

This calculator with integrated soroban abacus is fabulous. A soroban (算盤, そろばん) is a Japanese abacus. I’ve seen Japanese people that can use a soroban and are able to make quite complex calculations with it much faster than with a calculator.

Soroban

To learn how to use a soroban this PDF is great.

2 Comments
  • Kyle

    January 16, 2011 at 5:25 am

    That’s really cool

  • esther

    June 7, 2011 at 6:54 am

    eu acho o soroban muito mais fasil pra fezer conta