2011

CAL supports the standard numeric functions in the following table.
Numeric functions
DescriptionFunction
Sine of the anglesin(angle)
Cosine of the anglecos(angle)
Tangent of the angletang(angle)
Arcsine of the number; the number must be between -1 and 1asin(real)
Arccosine of the number; the number must be between -1 and 1acos(real)
Arctangent of the numberatan(real)
Natural log of the numberln(real)
Base-10 log of the numberlog(real)
Natural exponent of the numberexp(real)
Base-10 exponent of the numberexp10(real)
Square of the numbersqr(real)
Square root of the number; the number must be nonnegativesqrt(real)
Absolute value of the numberabs(real)
Number rounded to the nearest integerround(real)
Integer portion of the numbertrunc(real)
Angles in radians converted to degrees; for example, r2d(pi) converts
the pi radians to 180 degrees
r2d(angle)
Angles in degrees converted to radians; for example, d2r(180) con-
verts 180 degrees to radians and returns the value of pi
d2r(angle)
The constant pipi
Use Standard Numeric Functions | 159