
Enhance your mental math skills with customizable digit settings!
This app lets you practice mental arithmetic at your own pace. Choose the number of digits (1 to 9) and the number of problems per session to perfectly match your skill level.
Missed questions? No problem! Review and retry incorrect answers to solidify your understanding.
Track your progress! Save and review your test history to monitor your improvement and celebrate your achievements.
Key Features:
- Select from four arithmetic operations.
- Customize the number of digits (1-9) and problems (1-9999) for each practice session.
- View your mental math accuracy and progress.
- Retry incorrect problems.
- Analyze your test history.
What's New in Version 2.1.7
Last updated November 2, 2024
This update includes minor bug fixes and performance improvements. Download the latest version for an optimized experience!


Great tool for improving mental math skills! Customizable settings make it perfect for all levels. Love the ability to review mistakes and try again.
頭脳トレーニングに最適です!カスタマイズ機能により、自分のレベルに合わせて練習できます。間違えた問題も復習できるのは素晴らしいです。
정신적 연산 능력을 키우기에 좋은 앱입니다! 맞춤형 설정으로 모든 수준에 적합합니다. 실수한 문제를 다시 시도할 수 있는 기능이 마음에 듭니다.
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