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💕Hello, dear customer,💕 Brand：Learn dele Power Supply Mode：Button Battery Maximum Display Digits：12Digits Mini Desk Type DIGIT: 12 digits 💟function Introduction💟 🌟🌟Tax calculation: Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount.🌟🌟 ⭐⭐Time calculation: Time calculation allows easy input and calculation of hour, minute, and second values. Solar & Battery: Solar powered when light is sufficient, battery powered when light is insufficient.⭐⭐ 🌞🌞Function command signs: A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing.🌞🌞 ☀️☀️Key rollover: Key operations are stored in a buffer, so nothing is lost even during high-speed input. Extra Large display: Larger display makes more data easier to read.☀️☀️ 🌈Plastic keys: Designed and engineered for easy operation.🌈 🌊Profit margin percent: " % " key gives quick access to prices and profits, and also delivers add-ons, discounts, ratios and increase/decrease values.🌊 #calculator #calculators