These are example of plots you can easily create with PlotControlLibrary.

Elementary.plt

Elementary functions
— f(x) = x — f(x) = x2 — f(x) = sqrt(x)
— f(x) = log(x) — f(x) = x3 — f(x) = 1 / x

SinXCosX.plt

Sin(x) Cos(x)
— f(x) = sin(x) — f(x) = cos(x)

XSinX.plt

Sin(x) Cos(x) — f(x) = x * sin(x)

XCosX+XSinX.plt

Sin(x) Cos(x) — f(x) =x * cos(x) + x * sin(x)