Slight crack on screen .The Casio FX-991EX Classwiz Scientific Calculator is a handheld device designed for advanced engineering calculations. With a regular size display and keys, it is powered by both solar and battery sources, making it convenient for use in various settings. This model, known for its reliability and functionality, is ideal for professionals and students who require precise and efficient mathematical capabilities in their work or studies. The Casio brand ensures quality and durability in this essential tool for solving complex equations and calculations.
eBay