sin cos tan csc sec cot sin⁻¹ cos⁻¹ tan⁻¹ csc⁻¹ sec⁻¹ cot⁻¹ log log₁₀ log₂ ln √ ∛ ʸ√x |x| π e ∞ π/2 π/4 x^y x² x³ 10^x e^x ( ) n! 1/x % ⌫ AC ANS M+ MR 7 8 9 + M- MC RND ± EXP 4 5 6 - × ÷ = 1 2 3 0 . e