12 digitsRegular percentRegular percentage calculations.150 steps checkDisplays up to 150 previous calculation steps.Tax calculationAutomatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount.Two-way power (Solar + Battery)Solar powered when light is sufficient, battery powered when light is insufficient.Function command signsA symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.Key rolloverKey operations are stored in a buffer, so nothing is lost even during high-speed input.Extra Large displayLarger display makes more data easier to read.Plastic keysDesigned and engineered for easy operation.Mark-upAll the mark-up capabilities of an adding machine for simplified cost and profit calculations. 
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