フラッシュ暗算！脳トレ！毎日フラッシュ計算で脳活記録

Sharpen your mind with Flash Mental Arithmetic! Track your progress daily with our calendar feature! This flash calculator app offers levels from beginner to advanced, making it fun brain training for all ages, from kids to seniors. It's completely free!

Want to boost your mental math skills? This free flash calculator app lets you track your daily progress and choose your difficulty level, from beginner to expert. Flash Mental Arithmetic trains your ability to calculate instantly, providing effective brain training! Simple to use and enjoyable for everyone, from children to seniors.

This app is perfect for:

• Seniors seeking easy-to-use flash mental calculation tools.
• Individuals looking to boost brain activity.
• Those wanting to maintain their calculation skills.
• People seeking a fun way to pass the time.
• Anyone wanting free flash mental arithmetic and flash calculation practice.
• Users aiming to improve their mental arithmetic skills.
• People who want to practice flash mental arithmetic starting with single-digit numbers.
• Those who want to tackle challenging 3-digit advanced problems.
• Math game enthusiasts.

Download now and start training your mental arithmetic skills!

What's New in Version 1.1.3 (Updated Sep 12, 2024): Minor bug fixes.