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Amazon.com: Sharp EL-531TGBBW 12-Digit Scientific/Engineering Calculator with Protective Hard Cover, Battery and Solar Hybrid Powered LCD Display, Great for Students and Professionals, Black,Black and White : Office Products
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Amazon.com : Sharp EL-506TSBBW 12-Digit Engineering/Scientific Calculator with Protective Hard Cover, Battery and Solar Hybrid Powered LCD Display, Great for Students and Professionals, Black : Office Products
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