How to Entertain With Your Pocket Calculator: Pastimes, Diversions, Games, and Magic Tricks
ISBN: 0917406117
Buy on Amazon
Found in 1 comment on Hacker News
TedDoesntTalk · 2023-05-15 · Original thread
Still for sale on Amazon (new) and eBay:

https://www.amazon.com/How-Entertain-Your-Pocket-Calculator/...

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