FX-991 Scientific Calculator

FX-991 Scientific Calculator A practical and easy-to-use scientific calculator, suitable for students, teachers, and office use. It performs basic and scientific calculations quickly and accurately, with a clear display and well-organized buttons for easy operation. How to Use: Press the power button to turn on the calculator. Enter numbers using the keypad. Select the required operation, such as addition (+), subtraction (−), multiplication (×), or division (÷). Use the scientific functions as needed. Press (=) to display the result. Press AC to clear the calculation and start again.