MS MR M+ M- MC sin cos tan sin⁻¹ cos⁻¹ tan⁻¹ sinh cosh tanh log ln √ ∛ x² x³ x^y exp |x| n! RAD π e mod C ⌫ 7 8 9 ( ) 4 5 6 × / 1 2 3 + - ± 0 . 1/x =