ATAN

Calculates the inverse tangent of the specified number (arctangent), in radians.

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The ATAN function calculates the angle for a given tangent value.

Syntax

=ATAN(value)

Arguments

Argument	Type	Description
value	Number	The tangent value

Examples

=ATAN(1)→0.78539816339744830962
Calculates the arctangent of 1

=ATAN(0)→0
Calculates the arctangent of 0

=ATAN(@"Property 1")→0.22606838799388390584
Calculates the arctangent of the shape data property @"Property 1" (0.23)