2018-05-16 12:34:12 UTC
precise symptoms of the bug. If possible, include a backtrace by
doing `\[toggle-debug-on-error]', then reproducing the bug.
Even when in Deg mode, one has to use algebraic entry with unit of deg,
60 ==> 60
C ==> cos -952.412980415e-3
alg' 60 * deg ==> cos 500.000000006e-3
Note the inexact result, which suggests there is internal conversion and
rounding error. The result should be exact, 0.5.
Moreover, the log should include which mode was in effect.
Emacs : GNU Emacs 27.0.50 (build 1, x86_64-apple-darwin15.6.0, NS appkit-1404.47 Version 10.11.6 (Build 15G19009))