Feb 10, 2009 #1 H HaileeD New member Joined Feb 7, 2009 Messages 4 Reaction score 0 Points 1 I am in the middle of a correspondence course and i need a graphing calculator. They are too expensive to buy, and the Graphmatica one I downloaded is confusing. I can't figure out how to input the equation. Please help!
I am in the middle of a correspondence course and i need a graphing calculator. They are too expensive to buy, and the Graphmatica one I downloaded is confusing. I can't figure out how to input the equation. Please help!