GraphCalc is an open source software for Windows and Linux that provides the functionality of a graphing calculator. Developed by Mike Arrison
License: Open Source
GraphCalc is primarily focused on graphing functions and visualizing mathematical concepts, making it suitable for students and educators who need a straightforward graphing tool. In contrast, Microsoft Mathematics offers a broader range of mathematical tools, including step-by-step solutions and integration with other Microsoft products, catering to a wider audience from students to professionals.