MC MR M+ M- MS C CE ⌫ 2nd π e |x| exp mod ÷ √ ln e^x log 10^x x^y x√y x! 7 8 9 × sin sin⁻¹ cos cos⁻¹ tan tan⁻¹ 1/x 4 5 6 − sinh sinh⁻¹ cosh cosh⁻¹ tanh tanh⁻¹ x² 1 2 3 + Rand ( ) x³ 0 . ± =