"Enjoy learning! Flash mental arithmetic app for kids to adults"
Boost your calculation skills with flash mental arithmetic!
Numbers flash on the screen briefly, training your quick thinking and concentration.
■Recommended for:
- Children aiming for soroban (abacus) certification
- School math test preparation
- Adults looking for brain training and speed calculation
■Features:
- Finely tuned difficulty levels (digits × number of flashes × display time) for optimal skill development
- Global ranking system
- Create classroom rankings for friendly competition!
- No personal information required, no account registration needed for safe use
- Supports Japanese, English, German, Spanish, French, Italian, Korean, and Chinese
■Ease of use:
- Simple and intuitive interface, easy for children to use
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Boost your calculation skills with flash mental arithmetic!
Numbers flash on the screen briefly, training your quick thinking and concentration.
■Recommended for:
- Children aiming for soroban (abacus) certification
- School math test preparation
- Adults looking for brain training and speed calculation
■Features:
- Finely tuned difficulty levels (digits × number of flashes × display time) for optimal skill development
- Global ranking system
- Create classroom rankings for friendly competition!
- No personal information required, no account registration needed for safe use
- Supports Japanese, English, German, Spanish, French, Italian, Korean, and Chinese
■Ease of use:
- Simple and intuitive interface, easy for children to use
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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