CASIO SCIENTIFIC CALCULATOR FX-82EX CLASSWIZZ

The CASIO FX-82EX ClassWiz: A user-friendly scientific calculator with an interactive extra-large display for intuitive operation and quick access to essential calculations like prices, profits, discounts, and ratios.

The ErichKrause DC-312N Classic is a desk electronic calculator featuring a 12-digit LCD display housed in a black plastic case with an acrylic cover. It includes a memory key and offers an optimal set of calculating functions, including basic mathematical operations, percentages, square root extraction, operation summarization, and memorization of intermediate results. The convenient keyboard is equipped with buttons for "00" zero and a backspace key. This calculator is dual-powered, with a solar power element that can charge from direct sunlight or office ceiling lights, preserving the alkaline battery charge. The calculator's power supply turns off automatically after 7 minutes of inactivity to conserve energy. The body size of the calculator is 100x131 mm, making it suitable for desktop use.