Press "Space + A, S, D or M" to choose your operation A=Addition S=Subtraction D=Division M=Multiplication You can also click the buttons with the operations on them for that operation. The "Delete History" button deletes all of the history within 10 second click the button again to cancel deleting "History." 1. It will ask you if you want to delete "History" 2. Enter in your first number 3.Enter in your second number 4. (If you haven't already) it will ask you for an operation
I worked hard on this so I hope you like it! I will be adding buttons to this to make it like a realistic calculator. See inside for the scripts, I added comments to hopefully help you understand the scripts if you don't already.