Desktop calculator HP OC 112 — 12-digit LCD, battery/solar, black, 101×125×33 mm

HP OC 112 desktop office calculator with a compact pocket-style plastic housing in black. The calculator features a 12‑digit LCD single-line display, 24 buttons and one memory register. It is powered by a LR1130 battery with solar backup and includes an auto shut-off function to conserve energy. Dimensions are approximately 101 × 125 × 33 mm, making the unit suitable for everyday desk use and basic accounting tasks.

Advantages

The HP OC 112 combines battery and solar power for reliable operation, a clear 12-digit LCD for straightforward number entry, and a compact, lightweight plastic housing that fits easily on a desk. A single memory register and 24-button layout provide the basic functions needed for routine office calculations, while the auto shut-off helps extend battery life.

Suitable for

• Everyday office calculations
• Basic accounting and bookkeeping
• Quick arithmetic and invoice checks at a desk
• Portable use where a compact calculator is needed

Key specifications

• Display: 12-digit LCD, single-line
• Power source: Battery (LR1130) with solar backup
• Auto shut-off: Yes
• Buttons: 24
• Memory: 1 memory register
• Housing material and colour: Plastic, black
• Dimensions (W × H × D): 101 × 125 × 33 mm
• Weight: compact, lightweight design

How to use

Place the calculator on a flat surface and ensure the solar cell receives ambient light to supplement battery power. Use the numeric and function keys to enter calculations and store or recall a single memory value with the memory key. The unit will automatically shut off after a period of inactivity to save power; replace the LR1130 battery when display dimming or power interruptions occur.

Recommendations

Do not disassemble the unit yourself. Keep the calculator away from excessive heat and moisture, and replace the LR1130 battery at an authorized service point if needed.