Simple Soroban
The "Soroban" is an abacus developed in Japan.This App is a simulator of an "Soroban". There is a function of undoing and redo. 免費玩Simple Soroban APP玩...
Makoto Urakawa
Flash Mental Arithmetic
It is the apps for training of Flash Mental Arithmetic. Since 'Indication time' and 'Interval' can be set up finely in addition to 'Numbers' and 'The ...
CountUP Tool
Application for counting a number.There are 1 button mode and 3 button modes.There is also a minus button so that it can correct, when it makes a mist...
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