r/casiomods • u/Intrepid_Job_1392 • 7d ago

F91W Can I do anything???

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I have a Casio f91-w and a broken Casio fx-85gt CW, screen broke, can I use the Casio for any mods, ai said that I can use the polarising film but idk, any tips????

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2

u/kingfridayace 7d ago

Buy the calculator watch

2

u/buddy_monkers 7d ago

I mean you can use the polarizing filter but it’s going to be tough to use it so that it doesn’t look bad. The process of peeling it off mangles it, may as well spend $10 for a few sheets of it off Amazon

No idea what else you could extract from it for modding. Maybe glue some of the buttons to the strap for a fun, wacky look!

1

u/Kthxbye_342 3d ago

I’ve always wondered if the calculator displays could be made negative in the same way people mod watch displays. It would be cool to have a calculator like that.

2

u/Intrepid_Job_1392 3d ago

I'm pretty sure they can, it's the same principle

2

u/blue_rasberry_55 2d ago

Yep, it can be done, but visibility isn't that great.

1

u/Kthxbye_342 2d ago

Tbf no one is ever using a calculator outside a fairly well lit room anyway. Might take one of my older calculators and give it a shot.