Soroban Exam - Home
Practicing the soroban. Proud owner of a soroban (or an abacus ), you wish to improve your skills. You've already found online generators of random numbers that help you practice (for example  or  ). Maybe, you've even made one for yourself. The 2 books of Kojima and Cumin-Hossenlopp mention the soroban examination   taking place in ...
DA: 61 PA: 14 MOZ Rank: 40 Up or Down: Up