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R:BASE 11 Help

Navigation: Function Index > A

ATAN

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(ATAN(arg))

 

Computes the arctangent of arg in radians where arg is any amount. The result is an angle in radians between -pi/2 and pi/2.

 

In the following example, the value of vatan is 0.7854 (pi/4 radians).

 

SET VAR vatan = (ATAN(1))