The app offers a game designed for practicing number series. Users select the missing number in a sequence, with options to customize quiz length, game duration, background color, and sound.
Solve problems by entering three of four variables. Calculate using the of . Store calculations in a history log. Display detailed step-by-step solutions. Support for fractions and decimals. Allow entry of constants. No advertisements.
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.
