About

The Free Advanced Calculator 991 es plus & 991 ex plus is a powerful and versatile calculator app for high school and university students. It offers a natural display and a wide range of functions, making it highly recommended for classroom use. The app features both a Basic Calculator with percentage calculations and advanced functions such as powers, roots, logarithms, and trigonometric functions. It also includes a Smart Scientific Calculator with features like equation solving, derivatives, integrals, and factorial calculations. Additionally, the app offers a Graphing Scientific Calculator for drawing cartesian, polar, and parametric graphs, as well as a Fraction Calculator for solving fraction problems. Other features include matrix and vector calculations, statistical calculations, and a real engineering simulator.

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