In addition, the SYMBOL statement and certain Annotate facility functions and macros can use ... and pie fills on devices that support hardware patterns. If you do not create PATTERN definitions, ...

Instead of writing Function = multiply by 3 we can use algebra. Graphically, \(f(x) = x^2\) is the same as the graph of \(y = x^2\). Writing graphs as functions in the form of \(f(x)\) is useful ...