sin cos tan Deg Rad MC MS MR RND M+ sin^-1 cos^-1 tan^-1 π e ± + – ÷ × x^y x³ x² e^x 10^x 9 8 7 6 5 ^y√x ³√x √x ln log 4 3 2 1 0 1/x n! ( ) EXP % . C =