acos
Calculate the arccosine of a number.
Example
#calc.acos(0) \
#calc.acos(1)

ParametersParameters are the inputs to a function. They are specified in parentheses after the function name.
Parameters are the inputs to a function. They are specified in parentheses after the function name.
value
The number whose arccosine to calculate. Must be between -1 and 1.