Casio Mini Desk Type Calculator MJ-100D Plus

10 digits Regular percentage calculations. Displays up to 300 previous calculation steps. The recheck function allows confirmation of errors by sound when checking calculations. If the user presses an incorrect key when performing a second calculation to check calculation results, a buzzer sounds to alert the user of the error. Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount. Solar powered when light is sufficient, battery powered when light is insufficient. A symbol (+, -, ×, ÷) on the display indicates the status of operation you are currently performing. Key operations are stored in a buffer, so nothing is lost even during high-speed input. Larger display makes more data easier to read. Designed and engineered for easy operation. All the mark-up capabilities of an adding machine for simplified cost and profit calculation

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