Atn( x )

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Returns the arcus tangens of the number (inverse of tangens).

Usage:

Atn( X )

Return:

Numeric value

Example:

//symmetrical to y axis
atn(0)		//0
atn(1)		//0.79
atn(5)		//1.37
atn(10)		//1.47
atn(100)		//1.56
atn(1000)		//1.57
atn(10000)	//1.57

See also:

• Math functions

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