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A comment on Clac – A command-line, stack-based calculator with postfix notation. Parent comment

Re:Clac – A command-line, stack-based calculator with postfi... by protomyth on Thursday April 13, 2017 @03:34PM (#14110243)
Postscript had the concept of dropping a mark on the stack that allowed commands that would consume the whole stack to also stop at a mark if encountered.

  5 4 mark 3 2 1 sum -> 5 4 6
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Re:Clac – A command-line, stack-based calculator with postfi... by soveran on Thursday April 13, 2017 @03:54PM (#14110398)
I love the idea, thanks for the tip!
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