Tangential at best, but as a fan of his books I was happy to stumble upon one of W. Richard Stevens’ earlier examples of technical writing: a guide to Forth for

Tangential at best, but as a fan of his books I was happy to stumble upon one of W. Richard Stevens’ earlier examples of technical writing: a guide to Forth for Kitt Peak national observatory. Apparently Forth was commonly used in observatories; I have no idea whether that’s still true. https://www.forth.org/KittPeakForthPrimer.pdf https://www.forth.org/KittPeakForthPrimer.pdf