The app helps users develop mental calculation speed by simulating an abacus. It presents ten figures sequentially for addition, allowing users to become familiar with abacus techniques.
Tap connected hole chains to remove them from the board, causing marbles to fall and fill empty spaces. Clear chains strategically to empty the board and progress through levels. Race against time and solve increasingly complex puzzles.
Learn techniques for double-digit numbers using step-by-step methods. Perform calculations with visual breakdowns. Practice exercises to improve speed and accuracy. Track progress and review solutions for each problem.