This HP 48GX 128K Graphing Calculator from 1993 is a reliable and handy tool for mathematicians and scientists. It comes with a soft case and is in good working order. The calculator has a regular key size and display size, and runs on battery power.

In addition to its basic functions, this calculator also has infrared and calculus features, making it a versatile tool for various tasks. Whether you're a student, teacher, or professional, this HP 48GX Graphing Calculator is a great addition to your collection.