This Texas Instruments TI-15 Explorer Elementary Calculator is a versatile tool that can perform basic and learning functions. It has a regular key size and a regular display size, making it easy to use and read. The calculator is powered by both solar and battery sources, making it ideal for use anywhere. It is pocket-sized and has an LCD display, making it convenient to carry around.

The calculator is in good working condition and has been tested to ensure that it functions properly. It is not a domestic product and does not come with any custom bundles. The model number is TI-15 Explorer and it uses a CR2025 3V battery.