Calculator Basic Casio DX-12B Desktop Black

The Casio DX-12B Desktop Calculator is a basic, reliable tool with a 12-digit single-line display designed for everyday arithmetic, tax and profit calculations. This black desktop model combines battery and solar power for continuous operation and is built with a straightforward keypad and compact housing to fit on office desks, checkout counters or home workspaces.

Advantages

The DX-12B offers a clear 12-digit display that accommodates larger numbers and simple financial calculations. Dual power supply (battery plus solar) reduces interruptions and ensures the calculator remains operational in varied lighting conditions. The single-line output and ergonomic keys support fast data entry and reduce input errors. Its compact footprint and neutral black finish make it simple to integrate into professional and domestic environments.

Suitable for

• Basic office arithmetic and bookkeeping tasks
• Retail point-of-sale or checkout calculations, including tax and profit assessments
• Home budgeting, invoice checking and simple financial planning
• Educational use for primary arithmetic practice

Key specifications

• Display: 12-digit single-line LCD
• Power: Dual power — battery and solar
• Functions: Basic arithmetic, tax and profit calculation keys
• Design: Desktop form factor with ergonomic keys and compact footprint
• Color: Black

How to use

Place the calculator on a flat surface within reach. Switch on the device and enter numbers using the numeric keypad; use the arithmetic function keys for addition, subtraction, multiplication and division. Use the dedicated tax and profit keys to calculate tax-inclusive or tax-exclusive amounts and to compute profit margins. When ambient light is sufficient, the solar cell will supplement battery power; replace the battery according to the manufacturer’s guidance when the display dims or operation becomes inconsistent.

Usage recommendations

Keep the calculator away from extreme heat, moisture and strong magnetic fields. Clean the keypad and housing with a soft, dry cloth; avoid liquids and abrasive cleaners. Store the device in normal indoor conditions when not in use to prolong battery life and preserve the display’s visibility.