A is 16. But in fact, there's a clever feature in this version: you can just write it as "#A" for clarity in your code and so you don't have to remember the number or look it up every time. So: IF BUTTON(2)==#A THEN ... Type BUTTON on any blank line and tap the ? button in the upper right of the keyboard for a list of all the button codes. Scroll through it with the circle pad while you edit.