This US business still uses Commodore 64s to check out customers
markmoxon/elite-source-code-commodore-64: Fully documented and annotated source code for Elite on the Commodore 64
Indiana bakery still using Commodore 64s originally released in 1982 as cash registers — Hilligoss Bakery in Brownsburg sticks to the BASICs
“Hi-res” bitmap graphics with Commodore 64 BASIC 2.0, fast screen clearing routine