Casio | Sunday, December 13, 2015
9:49 AM
Ermagerd - a #Casio #fx451-M from the 1980s. Amazing #calculator but needs its backup battery replaced. Who does that kind of thing nowadays? #stationery
Casio | Sunday, December 13, 2015
https://vishvish.com/instagram/2015/12/13/ermagerd-a-casio-fx451-2015-12-13_09-49-16/
