put the numbers you want to plus or minus, put 0 to the 3rd number if you dont want to plus or minus it put 1 to the 3rd number if you dont want to multiply it The minus is number 1- number 2- number 3 The multi is number 1* number 2* number 3 The divide doesnt have a third number
my teacher taught me this not that i dont know it cos i do
