AFHIM SALAH Apps
abacus soroban 1.1
the application "abacus" is in the form of a Japanese abacusnamed"soroban". In this exercise you will train yourself to: -Readthebeads represent on the abacus - Compose on the abacus the number-Train for the four operations(addition-subtraction-multiplicationand division) the purpose ofthe "abacus" application is to improvethe imaginition of pearls andthe development of mental calculationskills.