When you enter a formula in the formula column, the calculation result is displayed. Calculations and calculations can be copied to the clipboard. Calculation can be done by attaching a formula stored on the clipboard. In the case of mathematical expressions containing parentheses, calculate in parenthesis first. You can also calculate using variables as follows. Apple = 100 Apple * 5 It corresponds to mathematical functions below. [Trigonometric function] Sin (x), cos (x), tan (x) Arcsin (x), arccos (x), arctan (x) [square root] Sqrt (x) [Common logarithm] Log (x) [Natural logarithm] Ln (x) [Maximum minimum] Max (x, y), min (x, y) [Positive / negative inversion] Neg (x) [Absolute value] Abs (x) [Decimal point processing] Floor (x), ceil (x), round (x)