acos()

Returns the inverse cosine, in radians, of a real number or complex number.

Syntax:

acos(realNum);

where

realNum is a real or complex number.

Example:

decl a;
a = acos(0.5);        // a=1.0471975511966

Where Used:

Measurement Expressions (Data Display equations and Schematic MeasEqns), Schematic, Layout, Simulation, GUI