12-Digit Desktop Calculator with Two Screens, Tax and Percentage Functions

This office tool is a desktop calculator designed for everyday calculation tasks, with a black body and a clear 12-digit display for handling common work and home numbers with ease. As a two-screen calculator, it features a main LCD display and a smaller upper display, helping you track inputs and results more clearly during repeated calculations. Built as a solar calculator with dual power support, it can use solar energy and a battery secondary power for dependable operation in different lighting conditions; batteries are not included. The large-button calculator layout makes numbers and functions easier to press, while memory, total, tax, percentage, square root, sign change, and basic arithmetic keys support practical daily use. Ideal for quick office and desktop calculations, it helps organize figures, review totals, and complete tax or percentage tasks efficiently on a 210 x 153 x 35 mm body.