The Genie 840 S is a compact desktop calculator that stands out with its modern and colorful design. Featuring a large, angled 10-digit display, it provides a clear view of the entered numbers and results. The calculator is powered by both solar energy and batteries, allowing for flexible use. In sufficient light, it operates on solar power, while in low light, it automatically switches to battery operation. The easy-to-use plastic keys are not only user-friendly but also simple to clean. The Genie 840 S is ideal for everyday use, whether in the office, at school, or at home, and offers all the basic calculation functions needed for simple mathematical operations.

• Dual power system: solar and battery operation for flexible use
• Large, angled 10-digit display for optimal readability
• Easy-to-clean plastic keys for user-friendly operation
• Functions for basic arithmetic, percentage calculations, and square root calculations.