Re:Roamer: A Plain-Text File Manager
by halfspin on Wednesday August 30, 2017 @08:43AM
(#15131600)
Yes, like 'M-x calc' which gives you a very decent RPN calculator.
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oh calc is way more than that. it's a cute CAS. And a nice RPN calc. (which I think is simple-calc-mode actually)
Emacs also has bindat, a nice DSL to create bytes structures (for network packets or FFI)
And that's just the vanilla distribution.. Anyway lisp.