乱打ち電卓 app for iPhone and iPad

4.8 ( 6368 ratings )

Utilities Education
Developer: Hideaki Uchikoshi

Free

Current version: 1.1.4, last update: 8 months ago
First release : 01 May 2024
App size: 6.89 Mb

Calculator that can ask questions with random calculation formulas for mental arithmetic practice etc.

>Mental arithmetic practice mode
When you tap the mental arithmetic practice mode button, questions will be automatically asked at random.

*Tap the mental arithmetic practice mode button again to return to a normal calculator.