± : Calculation Brain Trainer
- Publisher: Ryosuke Hazuki
- Genre: Education
- Released: 20 Oct, 2015
- Size: 9.0 MB
- Price: FREE!
- App Store Info
Description
± (Plus Minus) is a brain trainer.You do not calculate from a formula, but create a formula from an answer.
A formula contains two numbers and one symbol.
Symbol is + (plus) or - (minus).
One game has five questions.
-----------------------
Sounds:魔王魂