Desktop calculator CASIO MH-12BK-S — 12-digit, black, battery/solar power, LCD display

CASIO MH-12BK-S is a compact desktop calculator with a 12-digit display in a black housing. Designed for basic arithmetic and everyday number work, it offers clear numeric readout and straightforward operation for office, home accounting and study. The device combines a slim footprint with essential calculation functions to support routine tasks that require quick, accurate results.

Advantages

The calculator provides a 12-digit LCD that displays large, legible numbers for easier reading and fewer entry errors. Its compact and stable housing fits comfortably on a desk without occupying much space. The key layout is conventional and tactile, allowing quick input of figures and basic operations. Power is balanced for continuous desktop use while maintaining low energy consumption.

Suitable for

• Office bookkeeping and simple financial calculations
• Home budgeting and household accounting
• Students performing arithmetic, basic math homework and practice
• Retail or point-of-sale environments requiring fast numeric entry

Key specifications

• Display: 12-digit LCD with clear numeric contrast
• Color: black housing
• Functions: basic arithmetic (addition, subtraction, multiplication, division) and percentage calculations
• Keyboard: full numeric keypad with dedicated function keys
• Power: battery and/or solar-assisted operation for continuous use
• Size and weight: compact desktop form factor suitable for desk placement

How to use

Place the calculator on a flat surface and ensure the display is visible. Use the numeric keys to enter figures and the function keys to perform calculations. Press the clear or all-clear key to reset the current entry or start a new calculation. For percentage calculations, enter the number, press the percentage key and then the operation key as needed. When the battery level is low, replace the battery following the manufacturer instructions or rely on solar assistance if available.

Usage recommendations

Keep the calculator in a dry, dust-free environment and avoid exposure to direct sunlight for prolonged periods. Clean the keys and casing with a soft, slightly damp cloth and avoid using chemical solvents. For consistent readability, position the device to minimize glare on the LCD. Store spare batteries separately and replace them according to the device’s maintenance guidance.