CoCalc is a platform that aims to enable better collaboration in science, engineering, and mathematics by providing easily accessible and sustainable tools for computing, teaching, and publishing. The platform offers a range of features, including collaborative Jupyter notebooks, LaTeX, Markdown, and Linux, which can be utilized for research, teaching, and publishing purposes. With CoCalc, users can improve their productivity by collaborating in real-time and sharing their work with others. The platform also allows users to explore and share what others have published on CoCalc, providing a valuable resource for researchers and educators. Additionally, CoCalc supports integration with GitHub repositories and Gists, allowing users to easily share and collaborate on code. Overall, CoCalc is a versatile platform that offers a range of features for collaborative calculation and data science, making it a valuable tool for researchers, educators, and anyone in need of computational and analytical resources.