e.The total number of nested parentheses levels exceeds six, or when more than 18 pairs of parentheses are used. (“–
•To clear any of the above conditions, press t and per- form the calculation from the beginning.
•In the case of condition e, you could also press k. This clears the intermediate result just prior to the overflow, so you can continue with the calculation from that point.
•No error occurs when the result is within the range of
(1 10 99) to (1 10 99). Instead, the display shows all zeros.
kPower Supply
This calculator is powered by two
•Press tto turn power on.
•Press ito turn power off.
•Power automatically turns off (but data in memory is re- tained) if no key operation is performed for about six minutes.
Important!
Incorrect use of batteries can cause them to burst or leak, possible damaging the calculator.
•Be sure to replace the batteries at least once every two years, regardless of how much the calculator is used. Old batteries may leak, causing serious damage to the interior of the calculator.
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