QR codes in Spreadsheets - Casio ClassWiz fx-991EX | calculator, QR code, Casio, video recording | Learn to operate your ClassWiz calculator like a pro with how-to-videos on Casio Education website👉https://edu.casio.com/forteachers/er/movie/howto.php
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
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Casio FX-991EX Black Scientific Calculator FX 991 EX, 552 Functions, Classwiz | eBay
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ARE YOU BUYING GENUINE CASIO SCIENTIFIC CALCULATOR? | CASIO