The Texas Instruments TI-84 Plus graphing calculator is a versatile tool that is easy to use and allows users to perform a variety of complex calculations. It is designed to help with calculus-related problems and various other tasks. The calculator is in excellent working condition and has been thoroughly tested. It offers regular-sized key and display, which makes it convenient to use. The handheld size of the calculator makes it easy to carry around. The calculator is powered by batteries. This model of Texas Instruments TI-84 Plus is made in China.