GeoGebra Graphing Calculator

No matter how good you are at math, there are times when you want to get a second opinion and make sure all the answers are correct. GeoGebra Graphing Calculator is an Android software that states to be a trustworthy assistant in this matter. It has a straightforward interface, requires a small set of permissions, and is free to use.
The app targets students of all ages who want to improve their mathematical skills. It enables them to graph equations and functions without a hitch. The only thing they need to do is to manipulate the built-in calculator and input math expressions. The software processes the data instantly and generates the correct plots right away. Therefore, users get the chance to investigate equations and find turning points of any function in a flash.
Moreover, students can explore tables of values and configure various settings to their preference. The app lets them change the graph color and style, adjust the line thickness, display the function name, and show values. Likewise, they are free to modify the font size, choose from various grid types, save plots, and share results with colleagues or teachers.