The Casio CFX 9850GB Plus Color Power Graphing Calculator is a reliable and efficient tool for solving complex mathematical equations and creating graphs. With a regular size display and key size, this handheld calculator is easy to use and handle. Powered by batteries, the Casio CFX 9850GB Plus is a convenient and portable option for professionals, students, and anyone in need of a powerful graphing calculator. With the trusted Casio brand and model, users can be confident in the accuracy and functionality of this calculator.