Use turbo mode. Do not type in fractions, please type in decimals. You can do multiplication, addition, subtraction, division, or y= mx + b. Type it exactly as shown. Planning to add exponential: y=ab^x x =time; a = initial amount; b= rate of exponentil growth. WAIT!
Updates: Version 1.2 Added addition, subtraction, multiplication and division. Version 1.1 Linear equations!