The Texas Instruments TI 30XA Scientific Calculator is a reliable tool that can easily handle complex calculations. With its regular-sized keys, this handheld device is perfect for any office or business setting. It is powered by solar energy, ensuring that you never have to worry about running out of batteries. The calculator has been tested and works perfectly. It is ideal for both personal and professional use. Its regular-sized display makes it easy to read and understand. This model is the Texas Instruments TI-30XA and comes with a cover to protect it from damage. Preowned condition with minimal signs of wear and tear as seen in images. * Does have some scrapes on edges from sliding in and out of case. Questions? Feel free to ask. Like it? Feel free to make an offer.