Casio FX 29 Vintage Scientific Calculator - Tested Working - Good Cond. | eBay
Casio FX 29 Vintage Scientific Calculator - Tested Working - Good Cond. | eBay
Paul Marks on X: "@zsk @jimeasterbrook Casio fx-29 calculator ... still working and eating all my pi since 1977. Fitted well in the knee pockets of high waisters - anyone remember those?
Casio FX 29 Vintage Scientific Calculator - Tested Working - Good Cond. | eBay