AnsweredAssumed Answered What are the restrictions on variable names in formulas?

Question asked by Sandra Miller on Mar 12, 2019
Latest reply on Aug 11, 2019 by Eric Werth

I was just creating a formula question asking students to find the slope of a line, and I wanted to use the variables y1 and y2.  Apparently that's a no-no in  Why can't I do this?  formula question