![Casio FX-991EX Original Scientific Calculator Classwiz 552 function Spreadsheet 4971850092315 | eBay Casio FX-991EX Original Scientific Calculator Classwiz 552 function Spreadsheet 4971850092315 | eBay](https://i.ebayimg.com/images/g/g9cAAOSwxcRW89JS/s-l400.jpg)
Casio FX-991EX Original Scientific Calculator Classwiz 552 function Spreadsheet 4971850092315 | eBay
![Found this incredible function on my Fx991EX if you press shift and Option button on left corner it creates a QR code that can be scanned with a phone to see graphing Found this incredible function on my Fx991EX if you press shift and Option button on left corner it creates a QR code that can be scanned with a phone to see graphing](https://i.redd.it/b4afcauvzvw51.jpg)
Found this incredible function on my Fx991EX if you press shift and Option button on left corner it creates a QR code that can be scanned with a phone to see graphing
![Mini-Math Lessons – fx-991EX and Functions – QR Codes and All! – Blog: Strategies, Resources, & EdTech Tips Mini-Math Lessons – fx-991EX and Functions – QR Codes and All! – Blog: Strategies, Resources, & EdTech Tips](https://casioeducation.files.wordpress.com/2020/04/2020-04-27_14-24-10.jpg?w=816)
Mini-Math Lessons – fx-991EX and Functions – QR Codes and All! – Blog: Strategies, Resources, & EdTech Tips
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