![George Stagg on X: "I'm currently suffering with Covid-19. In "celebration", here is a twitter thread describing my Covid lockdown project: hacking a Casio CFX-9850G calculator, from 1996 with 32KB of RAM George Stagg on X: "I'm currently suffering with Covid-19. In "celebration", here is a twitter thread describing my Covid lockdown project: hacking a Casio CFX-9850G calculator, from 1996 with 32KB of RAM](https://pbs.twimg.com/media/FPbd_Z7X0AgFZbg.jpg:large)
George Stagg on X: "I'm currently suffering with Covid-19. In "celebration", here is a twitter thread describing my Covid lockdown project: hacking a Casio CFX-9850G calculator, from 1996 with 32KB of RAM
![Casio - CFX-9850GB PLUS II - - Graphic calculator - Casio CFX9850GB PLUS II - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - CFX-9850GB PLUS II - - Graphic calculator - Casio CFX9850GB PLUS II - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA](https://casio.ledudu.com/images/pockets/casio/machines/cfx9850gbplusII.jpg)
Casio - CFX-9850GB PLUS II - - Graphic calculator - Casio CFX9850GB PLUS II - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
![Casio CFX 9850GB Plus Color Power Graphing Calculator - 32KB - *UNTESTED* | Fabricating and Metalworking Casio CFX 9850GB Plus Color Power Graphing Calculator - 32KB - *UNTESTED* | Fabricating and Metalworking](https://i.ebayimg.com/images/g/C~oAAOSwNjNkZluH/s-l1600.jpg)
Casio CFX 9850GB Plus Color Power Graphing Calculator - 32KB - *UNTESTED* | Fabricating and Metalworking
![The very first Graphing Calculator with a Color Display – CASIO CFX 9850 Review — Wenting's Web Page The very first Graphing Calculator with a Color Display – CASIO CFX 9850 Review — Wenting's Web Page](https://www.zephray.me/uploads/blog/2013/1508867533576-dsc9455.jpg)