In Case Of Difficulty - Texas Instruments TI-36X Pro User Manual

Dispose of the dead battery immediately and in accordance
with local regulations.
Per CA Regulation 22 CCR 67384.4, the following applies to
the button cell battery in this unit:
Perchlorate Material - Special handling may apply.
See www.dtsc.ca.gov/hazardouswaste/perchlorate

In case of difficulty

Review instructions to be certain calculations were performed
properly.
Check the battery to ensure that it is fresh and properly
installed.
Change the battery when:
• & does not turn the unit on, or
• The screen goes blank, or
• You get unexpected results.
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