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The KC-20 Key Chain Calculator is Canon''s answer for those performing mathematical calculations on the run. The KC-20 is designed with a freely rotating key chain so you can take this compact, hand held mini-calculator wherever you go. Its single alkaline battery provides up to 3,500 hours of operation, so you''ll always have the right answer to any addition, subtraction, multiplication or division problem. The KC-20 even offers sophisticated functions such as chain multiplication and division, raising to a power, reciprocals and percentages.
$2.49
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