File > New > Styled Notebook (Mathematica Menu Item)

Styled Notebook opens the Stylesheets palette to create a styled notebook.

CreateIntermediateDirectories (Built-in Mathematica Symbol)

CreateIntermediateDirectories is an option for CreateDirectory and related functions that specifies whether to create intermediate directories in a directory path specified.

Inner (Built-in Mathematica Symbol)

Inner[f, list_1, list_2, g] is a generalization of Dot in which f plays the role of multiplication and g of addition.

ZeroWidthTimes (Built-in Mathematica Symbol)

ZeroWidthTimes is an option for selections that specifies whether blank spaces representing multiplication are explicitly shown.

Levels in Expressions (Mathematica Tutorial)

The Part function allows you to access specific parts of Mathematica expressions. But particularly when your expressions have fairly uniform structure, it is often convenient ...

BooleanConvert (Built-in Mathematica Symbol)

BooleanConvert[expr] converts the Boolean expression expr to disjunctive normal form.BooleanConvert[expr, form] converts the Boolean expression expr to the specified ...

Function (Built-in Mathematica Symbol)

Function[body] or body & is a pure function. The formal parameters are # (or #1), #2, etc. Function[x, body] is a pure function with a single formal parameter x. ...

Permute (Built-in Mathematica Symbol)

Permute[expr, perm] permutes the positions of the elements of expr according to the permutation perm.Permute[expr, gr] returns the list of permuted forms of expr under the ...

Generic and Non-Generic Solutions (Mathematica Tutorial)

If you have an equation like 2x==0, it is perfectly clear that the only possible solution is x->0. However, if you have an equation like ax==0, things are not so clear. If a ...

ExpandNumerator (Built-in Mathematica Symbol)

ExpandNumerator[expr] expands out products and powers that appear in the numerator of expr.