けいさん白書
Android app by Seki Takumi. Casual · Seki Takumi
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 3.0.7
- Listing last refreshed
- 2026-09-14
View the original store listing
Store description excerpt
A calculation power training app that allows you to solve many mental calculations within a time limit. Activate your brain by improving your judgment, concentration, and mental arithmetic skills! ◆How to play Aim for your personal best by solving as many problems as possible within the 30 second time limit! You can select the calculation method from [Addition/Subtraction/Multiplication/Division]. You can select the difficulty level from [Easy/Normal/Slightly Difficult/Difficult]. Solve as many problems as possible within the 60 second time limit and compete for points with players from all over the world!
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