![My TC-50 bought in 1985. Touch screen calculator watch. Dirty, needs a band. Do they still make batteries for it. Is it worth spending money on it. Thanks. : r/casio My TC-50 bought in 1985. Touch screen calculator watch. Dirty, needs a band. Do they still make batteries for it. Is it worth spending money on it. Thanks. : r/casio](https://i.redd.it/kjef30fccn461.jpg)
My TC-50 bought in 1985. Touch screen calculator watch. Dirty, needs a band. Do they still make batteries for it. Is it worth spending money on it. Thanks. : r/casio
![Casio FX-CP400 Graphing calculator Black Display (digits): 25 battery-powered (W x H x D) 89 x 21.1 x 206 mm | Conrad.com Casio FX-CP400 Graphing calculator Black Display (digits): 25 battery-powered (W x H x D) 89 x 21.1 x 206 mm | Conrad.com](https://asset.conrad.com/media10/isa/160267/c1/-/en/1436872_AB_02_FB/image.jpg)
Casio FX-CP400 Graphing calculator Black Display (digits): 25 battery-powered (W x H x D) 89 x 21.1 x 206 mm | Conrad.com
![CALCULADORA DE PANTALLA TÁCTIL CASIO TC-50 DE COLECCIÓN QW120 - RAREZA COLECCIONABLE AÑO 1983 | eBay CALCULADORA DE PANTALLA TÁCTIL CASIO TC-50 DE COLECCIÓN QW120 - RAREZA COLECCIONABLE AÑO 1983 | eBay](https://i.ebayimg.com/images/g/GIMAAOSwZQ1jn8ob/s-l1600.jpg)