SpheroidalS1[n, m, \[Gamma], z] gives the radial spheroidal function S_n^m, (1)(\[Gamma], z) of the first kind.

TakeWhile[list, crit] gives elements e_i from the beginning of list, continuing so long as crit[e_i] is True.

TextCell["string"] gives a text cell that can appear in a Mathematica notebook.TextCell["string", " style"] gives a text cell with the specified style.

x*y*z, x*y*z, or x y z represents a product of terms.

Translate[g, {x, y, ...}] represents graphics primitives g translated by the vector {x, y, ...}. Translate[g, {{x_1, y_1, ...}, {x_2, y_2, ...}, ...}] represents multiple ...

TreeForm[expr] displays expr as a tree with different levels at different depths. TreeForm[expr, n] displays expr as a tree only down to level n.

Trigger[Dynamic[u]] represents a trigger that can be pressed to make the dynamically updated value of u be continually increased with time from 0 to 1. Trigger[Dynamic[u], ...

TrimmedMean[list, f] gives the mean of the elements in list after dropping a fraction f of the smallest and largest elements.TrimmedMean[list, {f_1, f_2}] gives the mean when ...

Tr[list] finds the trace of the matrix or tensor list. Tr[list, f] finds a generalized trace, combining terms with f instead of Plus. Tr[list, f, n] goes down to level n in ...

UndirectedEdge[u, v] or u \[UndirectedEdge] v represents an undirected edge of a graph with vertices u and v.