Hope this helps: I wrote a Forth introduction and manual for newbies to Forth, for a 2012 standard Forth implementation which is more up to date than the vintage textbook introductions github.com/Robert-van-Engelen/Forth500/blob/main/manual.md

September 26, 2025 - 19:13 UTC

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I'm intending to check out your book too, but I decided in for a penny in for a pound and am still working through "Starting Forth".

I'm sure I'm very late to the party on this and going where many have already gone before, but, I found the solution to problem 7.1 in that book to be hilariously bad
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and on my first try I think I created a much better solution.

The problem:

Veronica Wainwright couldn’t remember the upper limit for a signed single-length number, and she had no book to refer to, only a Forth terminal. So she wrote a definition called N-MAX, using a BEGIN… UNTIL loop.
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