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THE CALCULATOR DANIEL LEE NURI MARTINEZ. WHAT IS A CALCULATOR? A calculator is a device that performs simple and complex arithmetic operation on numbers. - ppt download
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Casio Scientific calculator High-definition, Japanese display More than 700 functions / functions fX-JP900-N - Walmart.com
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Amazon.com: Casio Fx-JP500-N Scientific Calculator, High Definition, Japanese Display, More Than 500 Functions : Office Products
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