Great condition for old it is, just put a new battery inside and it works great. There is some damage on the 6 key.

The Casio FX-4200P scientific calculator is a handheld device with a dot matrix LCD display. This calculator, powered by batteries, features regular-size keys and is designed specifically for scientific calculations. The model number for this calculator is FX-4200P, making it easy to identify and select for various office and educational uses. Additionally, the calculator comes with a protective case for added convenience and security.