App profile & analytics · Games · Data updated 2026-10-02

Keisan-Hakusho

by Takumi Seki · Free · Version 1.0.3

Availability On the App Store since January 2025 ↗

Keisan-Hakusho is made and published by Takumi Seki. AppBrain is an independent app data site and isn't affiliated with Takumi Seki. The app name, icon, screenshots and description belong to Takumi Seki and are shown as published on the App Store.

About Keisan-Hakusho

Keisan-Hakusho is a games app developed by Takumi Seki.

User Ratings

The app has no ratings yet.

App Information

Keisan-Hakusho is freely available from the App Store. The app size is 85.55 MB. The latest version available is 1.0.3. The last update was on February 11, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since January 2025.

Description by Takumi Seki (from the App Store)

A calculation power training app that solves many mental calculations within a time limit.
Activate your brain by improving your judgment, concentration, and mental arithmetic skills!

How to play
[Normal mode]
Aim for your personal best by solving as many questions 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].

[National exam mode]
Solve many problems within 60 seconds and compete with players from all over the world!

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Screenshots

Screenshots by Takumi Seki, from the the App Store listing

Official page on the App Store

Changelog of Keisan-Hakusho

No changelog data

Developer information for Takumi Seki

Takumi Seki

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App Store Rankings for Keisan-Hakusho

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Technologies used by Keisan-Hakusho

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