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HUMAN CREATION #29 · EVERYDAY LIFE · MADE BY HUMANS
Pocket Calculator
$Calculator · Everyday life · 1972
Human hands: Hewlett-Packard engineers
HP-35 scientific pocket calculator introduced
A scientific calculator put powerful everyday arithmetic into a pocket.
Two wallet approvals: one creates the coin, the second sets the 70/30 creator-fee split on-chain. Your CA goes live once the split is verified.