NumWorks is a manufacturer of open graphing calculators that are designed to make numerical and mathematical calculations easier. Their calculators feature high-resolution color screens, emulators, and advanced math engines that accurately compute arithmetic expressions. By providing an intuitive and user-friendly alternative to traditional graphing calculators, NumWorks aims to challenge the monopoly in the market. They actively engage with educators to gather feedback and ideas, ensuring that their graphing calculator is the best tool for students. Additionally, NumWorks offers a free app that allows users to access their calculator directly on their phone or tablet.