THREE CASIO FX-7700GB GRAPHIC SCIENTIFIC CALCULATERS AND ONE CASIO CFX-9800G COLOUR GRAPHIC SCIENTIF
![CASIO COLOR GRAPHIC CALCULATOR CFX-9800G W/Case & Owner's Manual *) For $35 In Fountain Valley, CA | For Sale & Free — Nextdoor CASIO COLOR GRAPHIC CALCULATOR CFX-9800G W/Case & Owner's Manual *) For $35 In Fountain Valley, CA | For Sale & Free — Nextdoor](https://us1-photo.nextdoor.com/post_photos/57/89/57899e9dc28b9cd2262a3fc054a34ba1.jpg?request_version=v2&output_type=jpg&sizing=linear&x_size=6&resize_type=max)
CASIO COLOR GRAPHIC CALCULATOR CFX-9800G W/Case & Owner's Manual *) For $35 In Fountain Valley, CA | For Sale & Free — Nextdoor
![TI-Planet on X: "An interesting history of calculators by @EdTech_K12, from adding machines to graphing calculators. Note the 1st color graphing calculator isn't the 2011 fx-CG20. Still by Casio but long before, TI-Planet on X: "An interesting history of calculators by @EdTech_K12, from adding machines to graphing calculators. Note the 1st color graphing calculator isn't the 2011 fx-CG20. Still by Casio but long before,](https://pbs.twimg.com/media/EiXe69AXcAEmzFF.jpg:large)
TI-Planet on X: "An interesting history of calculators by @EdTech_K12, from adding machines to graphing calculators. Note the 1st color graphing calculator isn't the 2011 fx-CG20. Still by Casio but long before,
![CASIO COLOR GRAPHIC CALCULATOR CFX-9800G W/Case & Owner's Manual *) For $35 In Fountain Valley, CA | For Sale & Free — Nextdoor CASIO COLOR GRAPHIC CALCULATOR CFX-9800G W/Case & Owner's Manual *) For $35 In Fountain Valley, CA | For Sale & Free — Nextdoor](https://us1-photo.nextdoor.com/post_photos/78/44/784489ae66ab33a1423a81306b6099f1.jpg?request_version=v2&output_type=jpg&sizing=linear&x_size=6&resize_type=max)