sin cos tan Rad sinh cosh tanh π Rand mc m+ m- mr log ln xʸ ʸ√x √ ∛ x² x³ 1/x eˣ 10ˣ e x! ( ) AC +/- % ÷ 7 8 9 × 4 5 6 - 1 2 3 + 0 . =