GraphCalc is a totally free calculator, it's the most precise calculator in the market and compatible with any Operating System. It has a great number of features, it's fully customizable and easy to use for everybody. With this tool you can perfectly create graphs in 2D and 3D, How awesome is that?
Perfect for engineers and students who need an application easy to use and understand but capable enough to resolve any mathematical equation.In addition to that this software comes with a feature that allows you to find intersections and drawing tangents. It also can create scripts. You can measure and calculate volume and surface of any specific area.