Large displayLarge, easy-to-read display.
Two-way power (Solar + Battery)Solar powered when light is sufficient, battery powered when light is insufficient.
Key rolloverKey operations are stored in a buffer, so nothing is lost even during high-speed input.
Tax calculationAutomatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount.
Profit margin percent" % " key gives quick access to prices and profits, and also delivers add-ons, discounts, ratios and increase/decrease values.
Function command signsA symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.