[Table of Contents] [docx version]

SpreadsheetML Reference Material - Table of Contents

ATAN

Syntax:

ATAN ( x )

Description: Computes the arc tangent of x.

Arguments:

Name

Type

Description

x

number

The value whose arc tangent is to be determined.

 

Return Type and Value: number – The arc tangent of x.

[Example:

ATAN(-1) results in -0.785398163
ATAN(0) results in 0
ATAN(1) results in 0.785398163
ATAN(-10) results in 1.471127674
ATAN(10) results in 1.471127674

end example]