This Casio scientific calculator is a reliable tool for your mathematical needs. With its regular-sized display and LCD display feature, you can easily input and read complex functions. It is powered by solar energy and has a two-way power option for convenience. The calculator is a handheld unit and comes with a variety of functions, including regular key size, unit type, and unit quantity. Made in China, it is the perfect addition to any office or industrial setting. Purchase this efficient and easy-to-use Casio calculator for all your mathematical needs.