The Casio Scientific Calculator fx-300ES PLUS is a handheld device powered by solar energy, making it convenient for on-the-go use. With its model being the fx-300ES PLUS, this calculator offers scientific functions for precise calculations in various fields such as business, industrial, and office settings. Trusted for its reliability and durability, this Casio calculator ensures accurate and efficient performance, making it a valuable tool for professionals and students alike. Plus, with free shipping included, it's a great deal for anyone in need of a dependable scientific calculator.