43
OP NOT DEFINED — Operation (op1 or op2) is not defined.
MEMORY LIMIT —
• The calculation contains too many pending operations
(more than 23).
• If using op1 or op2, you attempted to enter more than four
levels of nested functions using fractions, square roots,
exponents with ^, xÑ, and x
2
(MathPrint™ mode only).
LOW BATTERY — Replace the battery.
Note: This message displays briefly and then disappears.
Pressing - does not clear this message.
Battery
information
Battery precautions
• Do not leave batteries within the reach of children.
• Do not mix new and used batteries. Do not mix brands (or
types within brands) of batteries.
• Do not mix rechargeable and non-rechargeable batteries.
• Install batteries according to polarity (+ and -) diagrams.
• Do not place non-rechargeable batteries in a battery
recharger.
• Properly dispose of used batteries immediately.
• Do not incinerate or dismantle batteries.
• Seek medical advice immediately if a cell or battery has
been swallowed. In the USA, contact the National Capital
Poison Center collect at 1-800-222-1222.
Battery disposal
Do not mutilate, puncture, or dispose of batteries in fire. The
batteries can burst or explode, releasing hazardous
chemicals. Discard used batteries according to 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
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