A graphing calculator is a class of hand-held calculator that is capable of plotting graphs and solving complex functions. While there are several companies that manufacture models of graphing calculators, Hewlett-Packard is a major manufacturer. The following table compares general and technical information for Hewlett-Packard graphing calculators: See also Comparison of Texas Instruments graphing calculators HP calculators List of Hewlett-Packard pocket calculators References HP calculators HP calculators Graphing calculators