Template:Box

Use {{Box|Your content}} for simple text. Use {{Box|body=$E=mc^2$}} when content contains equals signs; the snippet inserts this named form automatically.

Callout templates

Use title= for an optional title and body= for the contents. The editor snippets use title and body tab stops.

Template	Snippet
Key result	key
Proof	pf
Example	ex
Aside	aside
Warning	warn

Key resultFourier orthogonality

The central result of this section.

ProofDerivation

Apply orthogonality and integrate term by term.

ExampleSquare wave

A worked calculation.

AsideGeometric interpretation

An optional observation.

WarningConvergence

Check the assumptions before applying this result.

A general-purpose box.

Definition: Period

The interval over which a function repeats.

Theorem: Parseval

The energy is preserved.

Exercise

Find the Fourier coefficients.

Additional information.