This Texas Instruments TI-15 Scientific Calculator is a reliable tool for your mathematical needs. It is designed to handle complex calculations with ease, thanks to its large key size and scientific functions. The calculator is powered by batteries and is handheld in size, making it easy to carry around with you.

This calculator is a great buy for anyone in need of a reliable scientific calculator. It is a Texas Instruments brand product, which speaks to its quality and durability. Whether you are a student or a professional, the TI-15 is sure to meet your needs.