Demos Graphing Calculator is a good mobile substitute ... Some of its features include trig functions, result history, percentage support, unit conversions, multi-window support, and more.
Key features of linear graphs are: gradient or slope: Represents the steepness and direction of the line \(x\)- and \(y\)-axes intercepts: The points where the line crosses the \(x\)-axis and ...
It can also be used to define custom SPARQL functions: the user defines and registers custom SPARQL functions, and/or populate the RDFLib Graph using Python, then the endpoint is started using uvicorn ...