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
Learn math through interactive widget . Choose from topics like Sense, Addition, and Multiplication. Select difficulty levels and game types such as selection and comparison. Play without opening the . Track progress through widget-based challenges.