Use an with customizable size, position, and color settings. Perform calculations up to 15 digits. Challenge addition, subtraction, multiplication, and division problems. Adjust bead sounds and screen orientation for horizontal use.
by Hirokazu Komatsu★ 4.560 ratingsEducationFreeData updated 2026-09-28
Solve mathematical expressions with adjustable difficulty levels. Track progress using progress graphs. View solution history and compare scores on a global leaderboard. Generate expressions based on statistical distribution and complexity.
The app offers a general use calculator with a simple interface and large buttons. It supports large numbers, negative numbers, and decimal places, displaying only significant digits.
