![Casio - Green Classic (1996-) - - Graphic calculator - Casio Green Classic (1996) - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - Green Classic (1996-) - - Graphic calculator - Casio Green Classic (1996) - 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/cfx9990gt.jpg)
Casio - Green Classic (1996-) - - Graphic calculator - Casio Green Classic (1996) - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
Casio - CFX-9940GT - - Graphic calculator - Casio CFX9940GT - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
![Laura Laban on Twitter: "Stopped by my childhood home to see family. Dug through stuff and found this. It's one of the first devices I used to learn programming :) mostly did Laura Laban on Twitter: "Stopped by my childhood home to see family. Dug through stuff and found this. It's one of the first devices I used to learn programming :) mostly did](https://pbs.twimg.com/media/DpFtdhmWsAAHqs_.jpg:large)
Laura Laban on Twitter: "Stopped by my childhood home to see family. Dug through stuff and found this. It's one of the first devices I used to learn programming :) mostly did
![Casio - Green Classic (1996-) - - Graphic calculator - Casio Green Classic (1996) - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - Green Classic (1996-) - - Graphic calculator - Casio Green Classic (1996) - 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/GRAPH60.jpg)
Casio - Green Classic (1996-) - - Graphic calculator - Casio Green Classic (1996) - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
![Casio - CFX-9930GT - - Graphic calculator - Casio CFX9930GT - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - CFX-9930GT - - Graphic calculator - Casio CFX9930GT - 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/zoom/cfx9930gt.jpg)