swh:1:snp:f223e86903c6bb9551d74b47f35cdb896451a375
Tip revision: b2685caa788579e22d7176d3d3678494be54a404 authored by Joshua J. Cogliati on 21 December 2019, 04:06:10 UTC
Check for messages in executable directory.
Check for messages in executable directory.
Tip revision: b2685ca
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.
