You can bring up help about ans by typing ?ans:
help?> ans
search: ans transpose transcode expanduser instances MathConstants readlines
ans
A variable referring to the last computed value, automatically set at the
interactive prompt.
You can bring up help about ans by typing ?ans:
help?> ans
search: ans transpose transcode expanduser instances MathConstants readlines
ans
A variable referring to the last computed value, automatically set at the
interactive prompt.