Amazon.com : 2 Pieces Basic Standard Calculators Mini ...
2 Pieces basic standard calculators electric digital smart calculator with 8-digit LCD display, battery solar power desktop calculator for home office school, 4.7 x 2.7 inch Features: Dual-power source: This electronic digital calculator supports battery and light energy power supply. If the battery suddenly runs out, you can switch the power mode to continue using the calculator, …
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