You can either click the numbers or press them on the computer. C = Clear. Clears the number and operation. A = Answer. The number of the last equation or question 25 + A = 50 M = Mod. This gives a remainder. 10 M 3 = 1
I added in negative numbers but was not able to create a formula for decimal numbers. If anyone has any ideas please tell me in the comments. Thanos comes for the INFINITY stones.