Texas Instruments TI-30XA Calculator "backs" Questions

When doing a simple math problem it anwers all zeros. I pressed on something earlier and I don't know how to fix it. Can you help me? I did turn it off and turned it back on and that did not work. ...

Casio JF-100TE Battery Replacement The case has two screws in the back at the top. Even with both screws removed the case halves (front and back) will not seperate. There are a couple of slide ...

TI BA II battery change How do I do this without ruining the calculator! Turn off the calculator and turn it over with the back facing you. Using a small Phillips screwdriver, remove the four screws ...

Problems... when i cut the machine on a P with a . then an E shows up on the screen and it will not allow me to do any calculations, on the machine. It's as if it's frozen. HELP this is the real ...

how to go back to calculations i did before ??? on CASIO fx-100AU....please elp some thing wrong with my calculator... Hello, If you have the Replay button, you can go back, as long as you did not ...

screen won't turn on i turned on my calculater and the sreen wasblank. I need help ASAP! go to battery replacement texas instrument ti-30xa or whichever model you have. place calculater face down ...

How do I reset the BD-107i Calculator? What buttons do I need to press in order for the calculator to reset? Right now, it just rounds up to whole numbers. Unscrew the door on the back of the ...

how do i change the battery on an hp 10s calculator Steps 1.Remove the two screws on the back cover using watchmakers screw driver 2. Use a 4mm this flat screwdriver blade and remove the back cover by

battery needs to be replaced. Took out screws in back. How does back come off? The back does come out - took me 20 minutes to figure out how without breaking it. After you take the screws out of the ...

Dead Battery? My TI83+ calculator will either A) turn "on" but won't let me type in any calculations, B) will turn "on" but will be covered in jumbled numbers and letters, or C) Won't turn on at all. ...