This Texas Instruments TI-30X IIB scientific calculator comes with a cover and instruction card for easy use. It features a regular display size and has a regular key size. The calculator is powered by batteries and is handheld for convenience. It is also programmable and has advanced features such as calculus that makes it ideal for students, professionals, and anyone in need of a reliable scientific calculator. The calculator is made in China and is perfect for use in offices, businesses, and industrial settings.