Desktop calculator SENCOR SEC 340/12 — 12-digit display, solar powered

SENCOR SEC 340/12 is a desktop calculator with a 12-digit display and solar power supply designed for basic office, home budgeting and school use. The calculator provides a clear numeric readout for common arithmetic operations, fast key response and an energy-efficient design that operates without batteries in well-lit conditions. Its compact footprint and angled display make it convenient for desktop placement and quick everyday calculations.

Advantages

The device features a 12-digit LCD that displays larger numbers for improved readability and straightforward operation with standard arithmetic keys including addition, subtraction, multiplication and division. Solar power eliminates the need for frequent battery replacement and supports continuous use in normal lighting. The robust plastic housing and tactile keys are intended for regular daily use, while the compact size allows easy placement on desks or in study areas.

Suitable for

• Basic office calculations and quick accounting checks
• Home budgeting and household expense tracking
• School arithmetic exercises and classroom use
• Retail or point-of-sale quick calculations where portability is needed

Key specifications

• Display: 12-digit LCD with large numerals
• Power source: solar cell (auxiliary light-dependent operation)
• Functions: basic arithmetic (addition, subtraction, multiplication, division)
• Form factor: desktop unit with angled display for comfortable viewing
• Keys: full numeric keypad with dedicated function keys and clear legends
• Construction: lightweight plastic housing suitable for everyday use

How to use

Place the calculator on a flat surface oriented toward a light source to ensure the solar cell receives sufficient illumination. Use the numeric keypad to enter numbers and the arithmetic keys to perform calculations; results appear on the 12-digit LCD. For multi-step calculations, follow standard input order or use parentheses where supported by the device. When moving between locations, store the unit in a drawer or desk organizer to protect the keys and display from dirt and impact.

Usage recommendations

For reliable operation, keep the solar panel clean and avoid prolonged storage in dark conditions. Use the calculator in normal indoor or daylight environments; if the display dims, increase ambient light. Avoid exposure to liquids and extreme temperatures to maintain display and key performance.