Casio / Calculator, Fx-991EX, black

The Casio Fx-991EX is an advanced scientific calculator that comes in sleek black design. It offers a wide range of functions, including graphing, statistics, and advanced mathematical equations. The large, easy-to-read display makes it simple to input and read calculations, while the multi-replay function allows you to easily edit and correct any mistakes. The calculator also has a natural textbook display that allows you to view mathematical expressions and symbols as they appear in textbooks. With a long battery life and durable design, the Casio Fx-991EX is the perfect calculator for students, professionals, and anyone who needs advanced mathematical functions in a compact package.