EngineeringPaper.xyz is an app for engineering calculations that automatically checks and converts units, solves system of equations, and that makes plotting your results easy. You type your equations in standard math notation just as you would see them in a textbook. You can also document your calculations with descriptive text and images. To share your calculations, you can create a shareable link that anyone can open in their web browser without needing to install anything. You can also save your calculations as files on your computer to access later.