Description

The central number will change every 3 seconds.
Touch plus and minus button make left number manipulate right number equal the central number.
Such 0 0 5 because 0 x 5=0
3 9 3 becasue 3 x 3= 9
6 42 7 because 6 x 7 =42
The biggest central number is 100
It's time to show your primary school math level.

What's New in Version 1.2

Make it harder.