Desktop calculator HP OfficeCalc 112 — compact solar-powered basic calculator

HP OfficeCalc 112 — compact solar-powered basic calculator designed for everyday arithmetic tasks. The device offers a space-saving layout with a clear key arrangement and an angled display for comfortable reading. Solar operation reduces the need for battery replacements, making the calculator suitable for frequent use in small offices, at home or in study environments where quick, reliable arithmetic is required.

Advantages

The compact design combines a small footprint with a legible LCD and intuitive key spacing for fast numeric entry. Solar power provides continuous operation under typical indoor and window-lit conditions, minimizing maintenance. The simple function set focuses on core arithmetic operations, which reduces complexity and speeds up routine calculations. The durable casing and stable tilt angle help maintain consistent performance on desktops and work surfaces.

Suitable for

• Basic arithmetic and everyday calculations
• Home budgeting and expense tracking
• Classroom tasks and student use
• Small office bookkeeping and quick checks

Key specifications

• Power source: solar cell for mains-light operation
• Display: single-line LCD with angled viewing
• Functions: basic arithmetic (addition, subtraction, multiplication, division), percent, clear
• Form factor: compact desktop layout with tilted screen
• Key type: membrane or plastic keys with clear numeric labels

How to use

Place the HP OfficeCalc 112 on a flat surface with sufficient light so the solar cell receives ambient illumination. Use the numeric keys for input and the operator keys for calculations; press the clear key to reset the current entry. For percent calculations, enter the base number, press the percent key as required, and continue with the operation. The angled display is intended to improve readability from a seated position at a desk or table.

Usage recommendations

Position the calculator near a window or under office lighting for optimal solar charging. Clean the display and keys with a soft, dry cloth to maintain visibility. Avoid exposing the device to prolonged direct sunlight or moisture to preserve the casing and internal components. For prolonged low-light periods, ensure occasional exposure to bright light to maintain operation.