What's something you learned in school, but have never used in your adult life?

@MougyWolf OMG, 😶sounds scary?!

@Peaches Not really, in a nutshell, you just define your variables as the integers -9 though +9, run the function, and plot the results on an X Y grid, they join to form a parabola.

@MougyWolf Where were YOU when I needed help in school?!😎