Calculator Erich Krause - KC-300, PC-Key, 12 digits

Electronic calculator with a 12-digit LCD display with an acrylic cover. It has a memory button. The optimal set of calculation functions allows for performing basic mathematical operations, calculating percentages, extracting square roots, summarizing performed operations, and storing intermediate results. The convenient keyboard is equipped with "00", zero, and backspace keys. The solar power element can be charged by both direct sunlight and office ceiling lights, which helps save the alkaline battery charge. The calculator's power turns off automatically if the device is not used for 7 minutes.