How to construct the formula and how to show results
If you don't know the formula in the first place, why do you even want to make a tool like that? They're common enough. Is this for school?
yes, i know the formula, I just don't know how to write it in gdevelop
Not sure if you found your answer but did you check out this website yet? http://wiki.compilgames.net/doku.php/gdevelop5/all-features/expressions
