Solution 10477: Replacing and Installing the Batteries in a TI-35X.
How do I replace and install the batteries in a TI-35X?The TI-35X uses two A-76 batteries. Comparable battery model numbers include:
To replace the batteries:
• Turn the calculator off.
• Place a small screwdriver, paper clip, or a similar instrument into the slot and gently lift the battery cover.
• Remove the discharged batteries and install the new ones (positive face up on the left side, negative face up on the right).
• Replace the cover, top edge first, and then gently press until the bottom of the cover snaps into place.
• Press the [ON/C] key twice. The calculator should display '0' and 'DEG'.
The calculator is now ready to use.
Caution: Be careful not to crease the film contacts while installing the new batteries.