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 replacement is possible.
It's cheaper to buy the new one. On amazon they are pretty cheap. take a look Amazon com TI 30X. cheers
You can find your ti-30xa battery on cheapest prices using this wholesale tool for sure: http://tinyurl.com/TI-30XA-wholesale. Best of luck
Replacement Battery—DURPX76A675PK
(This is equivalent to Duracell 76A button cell battery and many others: 1128MP, 1166A, AG13, D76A, G13A, GPA7, GPA76, LR44, LR1154, L1154, PX675A, PX76A, RPX675, S76, V13GA, 357A, RW82, KA, A76, 208-904, SB-F9, G13-A, CA18, CA19, LR44, A-76, 76A)
Battery Replacement (TI.30Xa)
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: Avoid contact with other calculator components while changing batteries.]
5. Install new batteries positive side up, as shown on diagram inside case.
6. Replace back case, and then replace screws.
7. Press [OFF] [ON/C] [ON/C]
[Caution: Dispose of old batteries properly. Do not incinerate batteries or leave where a child can find them.
Your calculator cannot hold data in memory when batteries are removed or become discharged.]
i've removed the screws but can't get the back cover off.
me too.
SAME HERE - NO WAY TO PRY COVER OFF WITHOUT DESTROYING CALCULATOR
if you use the blade of a kitchen knife you can carefully pry the back cover off without any problem.
There are three plastic clips after removing the screws that also need to be released. One is at the top center by the LCD. The other two are on the side next to the lcd. The case seperates by color. not the false seam on the bottom. Be gentle and start at the corners. Then release the top center clip. Pry a little mor and you should be able to release the side clips. Then it will fall apart. Good luck!
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