ELEVEN CMB801-BK Black

The Eleven CMB801-BK desktop calculator is a reliable tool for basic calculations in the office and at home. Its clear, single-line display shows up to 8 digits, which is enough for everyday arithmetic. Thanks to dual power, it runs on both solar energy and a battery, so it won't let you down even in low light. In addition to standard arithmetic functions, you'll appreciate the percentage and square root calculation features. Four memory keys make working with intermediate results easy.

Practical features and reliable power

The Eleven calculator uses a dual power system that combines a solar panel with a button cell battery. In normal light conditions, it operates on solar energy, while the battery serves as a backup when there is not enough light. For more complex calculations, there are four memory keys (MC, MR, M+, M-) that let you store and recall intermediate results. In addition to basic arithmetic operations, the calculator handles percentages, square roots, and sign changes. A double zero button speeds up the entry of large numbers, and the automatic shut-off function saves energy.