The TechXtras Desktop Calculator features a large 12-digit display, making it easy to handle both simple and complex calculations. Powered by both solar energy (in bright conditions) and a backup AA battery (not included), this calculator ensures continuous and accurate usage, whether you're at home, in the office, or on the go.

Key functions include tax and currency conversion, profit margin calculations, and function and command signs for added versatility. With on/off buttons, key rollover for faster inputs, and a sleek, user-friendly design.

Note: For uninterrupted performance, make sure to insert one AA battery.