The Casio fx-300es plus 2nd edition is a handheld scientific calculator with regular-sized keys and display. It is designed by the trusted brand Casio, known for producing reliable and high-quality calculators. This calculator is suitable for various mathematical and scientific calculations, making it a practical tool for students, professionals, and anyone in need of accurate calculations. Its compact size allows for easy portability, making it convenient for on-the-go use in various settings such as school, office, or business environments.