4D v13.4

Arctan

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4D v13.4

4D Language Reference

Math

Arctan


Arctan ( number ) -> Function result

Parameter	Type	Description
number	Real	Tangent for which to calculate the angle
Function result	Real	Angle in radians

Description

Arctan returns the angle, expressed in radians, of the tangent number.

Note: 4D provides the predefined constants Pi, Degree, and Radian. Pi returns the Pi number (3.14159...), Degree returns one degree expressed in radians (0.01745...), and Radian returns one radian expressed in degrees (57.29577...).

Example

The following example shows the value of Pi:

ALERT("Pi is equal to: "+String(Arctan(1)*4))

PROPERTIES

Product: 4D
Theme: Math
Number: 20

INDEX

Alphabetical list of commands

HISTORY

Created: < 4D v6