BeginPackage["context`"] makes context` and System` the only active contexts. BeginPackage["context`", {"need_1`", "need_2`", ...}] calls Needs on the need_i.

NHoldFirst is an attribute which specifies that the first argument to a function should not be affected by N.

NestList[f, expr, n] gives a list of the results of applying f to expr 0 through n times.

WatsonUSquareTest[data] tests whether data is normally distributed using the Watson U^2 test.WatsonUSquareTest[data, dist] tests whether data is distributed according to dist ...

EdgeLabeling is an option for GraphPlot and related functions that specifies whether labeling specified for edges should be displayed by default.

Mathematica can collect, process, and display data dynamically and in real time. A large collection of curated data is built into Mathematica , which puts an extraordinary ...

Basic Plotting Options for Graphics Redrawing and Combining Plots

DirectedEdges is an option for Graph, GraphPlot, and related functions that specifies whether edges should be taken to be directed.

EndPackage[] restores $Context and $ContextPath to their values before the preceding BeginPackage, and prepends the current context to the list $ContextPath.

In doing many kinds of calculations, you need to evaluate expressions when variables take on particular values. In many cases, you can do this simply by applying ...