Delimiter represents a delimiter to be displayed in objects such as PopupMenu and Manipulate.
Solving equations involving power series. Here is a power series. This gives an equation involving the power series.
p ... or RepeatedNull[p] is a pattern object that represents a sequence of zero or more expressions, each matching p.
Xnor
(Built-in Mathematica Symbol) Xnor[e_1, e_2, ...] is the logical XNOR (not XOR) function. It gives True if an even number of the e_i are True, and the rest are False. It gives False if an odd number of ...
Append
(Built-in Mathematica Symbol) Append[expr, elem] gives expr with elem appended.
Prepend
(Built-in Mathematica Symbol) Prepend[expr, elem] gives expr with elem prepended.
In many kinds of calculations, you need to set up "arrays" that contain sequences of expressions, each specified by a certain index. One way to implement arrays in ...
FoldList[f, x, {a, b, ...}] gives {x, f[x, a], f[f[x, a], b], ...}.
TautologyQ[bf] gives True if all combinations of values of variables make the Boolean function bf yield True.TautologyQ[expr, {a_1, a_2, ...}] gives True if all combinations ...
First
(Built-in Mathematica Symbol) First[expr] gives the first element in expr.