Sharp EL-733A Calculator "battery" Questions

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. ...

48GX has been idle for 4 years.Wont turn on. Is there an internal battery that I can replace? The 48GX runs on three AAA type alkaline batteries. However, if the device was unused that long, the ...

...work you will most likely need to purchase a new calculator. Batteries: Make sure to replace the "battery backup" too the little lithium ion battery Try Adjusting contrast: Hold down "[2nd]" key ...

...& now I have a flashing asterisk on the BOTTOM left corner. What does that mean? That's the low battery indicator. Pull the batteries out, wipe them clean, wipe the battery contacts clean, and

how to change back up battery on TI-83 Plus Hi, Remove the battery compartment door. Use a small Philpps screew driver to loosen the screw hodlding the plastic cover of the backup battery. Insert the ...

TI 82 Does it need the disk battery and 4 AAA batteries to work? No. The calculator runs on the four AAA batteries. The lithium battery is solely to retain the contents of the memory while you change ...

In order for the calculator to work do you need the AAA batteries and the back up battery? The backup battery is to preserve the contents of memory while you replace the main batteries. If you don't ...

I have a TI-83 graphing calculator and it keeps reporting 'Low Battery'. We replaced the 4 AAA batteries with a fresh set and got the same message. The calculator is less than 2 yrs old. Do I need to ...

Need to replace battery on TI-30XA. What is No. Screen is very light and difficult to read digits, indicating "weak" battery. I need the number of the battery in order to purchase a new one if ...

ti-85: Horizontal Line Across Screen - Battery Problem? My screen just powers up to a horizontal line. Does the smaller backup battery need replacing? Is something else wrong? Thank you. Yes, the back