ATQ

Arc Tangent of a Quotient

This numeric function returns the arc tangent of a quotient consisting of two numeric expressions representing angles in radians.

Syntax

ATQ (numeric-value1,numeric-value2 [,ERR=line-ref|,ERC=error-code])

numeric-value1,2: are numbers from +/-.99999999999999E-57 through +/-.99999999999999E+58.
line-ref: is the program line number or label to branch to if an error is produced by this function.
error-code: is a programmer-defined error code. Valid values are positive or negative whole numbers.

This function returns a value that ranges from -3.14 through 3.14 (-Pi to +Pi).

ATQ (0,-1)

The result is 0.

ATQ (2,-4)

The result is 2.68.

ATQ (6,6)

The result is 0.79.

ATQ (0,2)

The result is 0.

These examples assume PRECISION 2.