The TI-Nspire CAS+ Graphing Calculator by Texas Instruments is a large-key handheld device with a large LCD touchscreen display. It is suitable for basic, financial, scientific, and graphing calculations, featuring USB connectivity and programmable functionalities. This model also includes a calendar, clock, and calculus capabilities. The calculator is powered by batteries and was manufactured in China. This used calculator does not come with a custom bundle or any modifications.