The Casio FX-991ES Plus First Edition provides a wide range of features, including a natural display and the ability to perform complex scientific and engineering calculations.

Scientific Functions

The Casio FX-991ES Plus supports trigonometric, logarithmic, and exponential functions, as well as a variety of statistical calculations.

Example Calculation

Calculate the sine of 45 degrees: sin(45) = 0.7071.

Why Choose Casio FX-991ES Plus?

This calculator is ideal for students and professionals in fields like engineering, physics, and mathematics, thanks to its wide range of functions and user-friendly interface.

Casio FX-991ES Plus Scientific Calculator