arctan
ARCTAN num
(ARCTAN x y)
outputs the arctangent, in degrees, of its input. With two
inputs, outputs the arctangent of y/x, if x is nonzero, or
90 or -90 depending on the sign of y, if x is zero.
ARCTAN num
(ARCTAN x y)
outputs the arctangent, in degrees, of its input. With two
inputs, outputs the arctangent of y/x, if x is nonzero, or
90 or -90 depending on the sign of y, if x is zero.