HP 33s Calculator "change batteries" Questions

The batteries died on my ti89 and i changed. it worked for a minute and shut off. changing the batteries only made it work for a minute. i changed the silver oxide battery today and that did not work ...

...change it. Remove slide cover. Place calculator face down. Using a small Phillips screwdriver, remove screws from back case. Remove back case. Remove discharged batteries. Caution: Avoid contact with ...

...batteries, change them one at a time. don't take them all out at once. This won't happen if you do it like that. Try flipping the batteries so that the plus side matches the plus sign in the ...

...is another possibility: Batteries may be drained. Change Main batteries without touching the backup battery. If you have to change the latter, make sure the main batteries are good. Hope it

Changed the AAA batteries but screen remains blank I have changed the AAA batteries but when I turn the calculator on the screen remains blank. Check for corrsion on battery terminals AND check ...

Changed batteries, zeros are in display but no key response I changed the batteries in my HP 12C and it displays zeros. The key do not function including the on/off button. Perhaps a the connections ...

...change the AAA batteries leaving the backup battery in. Then if you have to, change the backup battery while the AAA batteries are inserted. If you do not take this precaution, you lose programs. To ...

change batteries 1. Remove slide cover. Place calculator face down. 2. Using a small Phillips screwdriver, remove screws from back case. 3. Remove back case. 4. Remove discharged batteries. Caution: ...

...Hello, It is possible that the backup battery is drained. If you change it, make sure that the main batteries are good. Do not remove main batteries while changing the backup battery. Hope it