EdgeLabels is an option and property for Graph and related functions that specifies what labels and label positions should be used for edges.

EdgeShapeFunction is an option and property for Graph and related functions that specifies a function to use to generate primitives for rendering each edge.

Definition[symbol] prints as the definitions given for a symbol.

ExportString[expr, " format"] generates a string corresponding to expr exported in the specified format. ExportString[rules, {"format", "Rules"}] gives explicit rules for ...

Hold[expr] maintains expr in an unevaluated form.

N[expr] gives the numerical value of expr. N[expr, n] attempts to give a result with n-digit precision.

StringDrop["string", n] gives " string" with its first n characters dropped. StringDrop["string", -n] gives " string" with its last n characters dropped. StringDrop["string", ...

While[test, body] evaluates test, then body, repetitively, until test first fails to give True.

In most cases, you want the head f of a Mathematica expression like f[x] to be a single symbol. There are, however, some important applications of heads that are not symbols. ...

A field is an algebraic structure obeying the rules of ordinary arithmetic. In particular, a field has binary operations of addition and multiplication, both of which are ...