For the operation part, use +, -, *, /, or ^ for it or else it won't work. The numbers can be any two numbers in existence, just don't use characters other than numbers. For the second number, if you choose ^ as your operation, the number can only be 1, 2, or 3 for now. Yes, this was also an excuse to use broadcasting blocks :) This is still a work in progress, and I hope someday it can turn into an all-purpose calculator for math at all levels! This is still a beta, so please don't mind for the bugs you may find. The code is very simple, check it out for yourself. Want to see my discord user? You have to have "discord" in your username. UPDATES: 2/22: Added basic ^ function. The background now changes color when clicked.