The app provides a full tutorial on using the abacus and trains mental calculation skills through games. It features 55 stages designed by qualified teachers for children aged 5 and up.
Perform complex calculations with high-precision math functions including trigonometric, hyperbolic, and special functions. Calculate derivatives, integrals, and roots. Program custom functions and store equations.
Helps users practice mental arithmetic with addition, subtraction, multiplication, and division. Select from four difficulty levels and operators. Free trial unlocks addition easy mode. Compete on global leaderboards for fastest times.