Growmax Abacus

Master the art of abacus with GrowMax! Explore 10+ levels and 20+ operations includingAdditionAdd/SubTable PracticeStopwatchRecall NumbersFlash NumbersCalculatorMix Add/SubMultiplyLong MultiplicationDivisionNegative Add/SubDecimal Add/SubSquarePercentageSquare RootDecimal MultiplicationCube PracticeCube Root