Atn Function

Atn( rad )

Returns the arc tangent of a number.

The argument rad can be any numeric expression.  The result is expressed in radians.

Example:

    Sub AtnExample()

        Dim Msg, Pi   ' Declare variables.

        Pi = 4 * Atn(1)   ' Calculate Pi.

        Msg = "Pi is equal to " & Str(Pi)

        MsgBox Msg   ' Display results.

    End Sub

Related Topics:

Cos Function

Tan Function

Sin Function