ℤ→ℤ
The mapping of integers to integers is a fair summary of the work of programming. A blog about computer science, history of computing, engineering, game theory, and other things that attract my interest.
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Within the history of cryptography, the tale of how Bletchley Park broke Germany’s Enigma cipher has been told many t...
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TimesSquare Programming Puzzle - Part 1? Apr 23, 2026
TimesSquare is a programming puzzle created by Dennis Shasha and published in the April 2026 issue of Communications ...
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Plain Text Accounting & Financial Reporting Apr 15, 2026
Over the past year, I’ve been acting as the treasurer for a small publishing company. I converted our books from a co...