This Casio FX-300MS scientific calculator is a reliable and efficient tool for any mathematician or scientist. With its large key size and handheld size, it is perfect for on-the-go calculations. The calculator is made by the well-known brand Casio and is specifically designed for business and industrial use. The model FX-300MS is a type of scientific calculator that is ideal for office equipment needs. It is ideal for use in various industries such as business, finance, statistics, accounting, and engineering. This calculator is perfect for those who require a high-quality and dependable calculator for their daily mathematical needs. This calculator works good. It does have scuffs on the case, but it is a perfectly functioning, solar calculator. It does have the back as well, so it is complete and ready to go. We ship out of Florida and we ship same day as purchase if possible.