User Manual

TI-83 Plus General Information 738

Note:

To avoid loss of information stored in memory, you must turn off the

calculator. Do not remove the AAA batteries and the lithium battery

simultaneously.

3. Replace all four AAA alkaline batteries simultaneously. Or, replace

the lithium battery.

•

To replace the AAA alkaline batteries, remove all four discharged

AAA batteries and install new ones according to the polarity

(+ and

) diagram in the battery compartment.

•

To replace the lithium battery, remove the screw from the lithium-

battery cover, and then remove the cover. Install the new battery,

+ side up. Replace the cover and secure it with the screw. Use a

CR1616 or CR1620 (or equivalent) lithium battery.

4. Replace the battery compartment cover. Turn the calculator on and

adjust the display contrast, if necessary.