Casio MS-20UC-BU Basic Calculator

The Casio MS-20UC-BU is a compact desktop basic calculator with a 12-digit, extra-large single-line display. It supports automatic tax and profit margin calculations, time entry, and shows operation symbols on the screen for clear, continuous input. The unit is powered by both solar energy and a battery, and features durable plastic keys and key rollover to prevent data loss during fast entry.

Advantages

The Casio MS-20UC-BU provides automatic tax calculation (price plus tax, price less tax, tax amount) and profit margin percent functions for quick pricing tasks. Its two-way power (solar + battery) ensures continuous operation under varying light conditions. An extra-large display and visible function command signs make results easy to read, while key rollover stores key operations to avoid missed inputs during rapid typing.

Suitable for

• Everyday office desk calculations
• Retail pricing and tax computations
• Basic bookkeeping and invoicing tasks
• Quick profit margin and discount checks

Key specifications

• Brand: CASIO
• Model: MS-20UC-BU
• EAN: 4549526700002
• Display: 12-digit extra-large single-line
• Power: Two-way (solar + battery)
• Keys: Plastic keys with key rollover
• Functions: Tax calculation, profit margin percent, time calculation, basic arithmetic

How to use

Enter numbers and use the dedicated keys for tax (+/− tax), profit percent (%) and time entry as needed. The display shows current operation symbols (+, −, ×, ÷) so you can confirm the ongoing calculation. For fast data entry, rely on the key rollover feature which buffers keystrokes. Switches between solar and battery power automatically depending on available light.

Recommendations

Place the calculator on a well-lit desk to maximise solar power and ensure continuous operation; replace the battery according to the manufacturer’s guidance when solar power is insufficient.