PopupView[{expr_1, expr_2, ...}] represents an object which displays as a popup menu whose items are the expr_i.PopupView[{expr_1, expr_2, ...}, i] makes the i\[Null]^th ...

The differential equations that arise in practice are of two types. Here is an example of the first type. Here is an example of the second type. This equation has a symbolic ...

In a typical Mathematica package, there are generally two kinds of new symbols that are introduced. The first kind are ones that you want to 'export' for use outside the ...

CircularEmbedding[n] constructs a list of n points equally spaced on a circle. CircularEmbedding[g] embeds the vertices of g equally spaced on a circle.

CompleteBinaryTree[n] returns a complete binary tree on n vertices.

CompleteKaryTree[n, k] returns a complete k-ary tree on n vertices.

CyclicGroup[n] returns the cyclic group of permutations on n symbols.

Eulerian[n, k] gives the number of permutations of length n with k runs.

ExactRandomGraph[n, e] constructs a random labeled graph of exactly e edges and n vertices.

FindSet[n, s] gives the root of the set containing n in union-find data structure s.