The Soroban is recognisable to most in the West as an Abacus. Despite the prevalence of electronic calculators, the Soroban is still incredibly popular in Japan, with parents oft paying for private tutors to teach their children. The remarkable phenomenon of Flash Anzan is observed after a few years of practice, when users no longer need a real Soroban and can work off an imaginary one.
posted by Biru
on May 6, 2010 -