The Fastest Brain

It's time to decide the king of the brain! "The Fastest Brain" appearance!

Let's get start from the brain training!



+ The rule is simple! let's make the number of the answer using one among from four digit panels!

+ The operation is simple too! You Swipe from the number that You want to use for four directions (+,-,×,÷)!

+ The problem is simple! ....but That addled your brain !?



★Five classes

Easy: The exercise class. Challenge it repeatedly to train your brain:)
Normal: The number of the answer becomes big. This class is for people loving calculations.
Hard: A negative value comes up to answer. You need judgement!
Smart: A negative value comes up on four panels too. Though it is a simple calculation, That addled your brain.
Genius: Activate your brain fully, and let's challenge world ranking!



During a play, the screen is colored by a neon design, and music and the sound effects enliven a feeling...but

Let's ignore it.

Concentrate on a calculation thoroughly! To higher score than anyone else!


※You can choose neon style from five colors. And you can set the sound.