Knovel offers users a variety of equations that they can use for reference as well as worksheets to help calculate them. You are able to browse a variety of calculations by various disciplines as well as create your own calculations.
Not only does Knovel allow you to browse and manipulate various equations, it also allows you to create worksheets that allow you to view your equations and plug in numbers accordingly. This function also allows the creation of graphs, some programming, and more.