4 Math is a challenging casual puzzle game for both young and old.

Basically, the goal is to create an expression with given 4 numbers.

Improve your IQ and exercise your brain.

-------- MAIN FEATURES --------

- Each level is randomly generated and 4 Math have infinity levels.
- Each level has a randomly generated background color.
- If it is too hard, you can pass the level.
- 4 Math will calculate your answer without giving all expressions.