T31mon
Casio's calculator watch is back – a true blast from the past
The CA53 collection – better known as the Casio Calculator watch – now comes ... analog photography and writing music.
Hackaday2y
Old Casio Calculator Learns New Tricks
Needing a project to keep him occupied, he decided to upgrade his 90s Casio CFX-9850G calculator to run custom machine code. All [George] really wanted was for his vintage calculator to understand ...