Arctan(x) Calculator

An online calculator to calculate inverse trigonometric function arctan(x) in radians and degrees.

How to use the calculator

1 - Enter x as a real number and the number of decimal places desired then press "enter". Two answers; one in radians and the other in degrees are displayed.

radians =
Decimal Places =
acctan(x)= radians

arctan(x) = degrees

You may use it to explore the domain and range of arctan(x).

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Updated: 2 April 2013

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