This Texas Instruments Ti-30x IIS Scientific Calculator is a must-have for anyone in need of a reliable calculator. It is designed to make complex calculations easy and is perfect for both personal and professional use. The calculator is in great working condition and has been tested to ensure accuracy. The calculator features a range of useful functions, including trigonometric and statistical calculations, making it suitable for a variety of applications. It is lightweight and easy to use, making it perfect for students and professionals alike.