Casio Fx-991ex Classwiz

Perfect for DUET aspirants! This calculator is easy to use, fast, and packed with advanced features that make solving complex problems effortless. Compared to other calculators, the CLASSWIZ offers:

High-speed calculations for quicker problem-solving

Natural textbook display for clear, easy-to-read formulas

Matrix, vector, and equation functions—all in one device

Solar + battery powered, so you never run out of power

Compact and lightweight, ideal for exams like DUET

Stay one step ahead of your competitors with a calculator that’s trusted by students for its accuracy, convenience, and simplicity. Grab this used Casio fx-991EX CLASSWIZ at a great price and make your DUET prep easier!