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! This free flash calculator app lets you choose your difficulty level, from beginner to advanced, making it fun brain training for all ages, from kids to seniors!

Ready to boost your brainpower with instant mental calculations? This completely free flash calculator app lets you select your skill level (beginner to advanced) and track your progress daily. Flash Mental Arithmetic trains your ability to calculate instantly, providing effective brain training. Its simple design makes it enjoyable for everyone, from children to senior citizens.

This app is perfect for:

• Seniors who want easy-to-use flash mental calculation practice.
• Anyone looking for brain activation exercises.
• Those who want to maintain their calculation skills.
• People seeking a fun way to pass the time.
• Users wanting a completely free flash mental arithmetic and flash calculation app.
• Individuals aiming to improve their mental arithmetic skills.
• People who want to practice flash mental arithmetic starting with 1-digit problems.
• Those wanting 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 September 12, 2024): Minor bug fixes.