# Hypertext Help with LaTeX
Miscellaneous symbols

## Some symbols for math

The following symbols are also used only in math mode

- `\aleph` Hebrew aleph
- `\hbar` h-bar, Planck's constant
- `\imath` variation on "i"; no dot
  - See also `\i`
- `\jmath` variation on "j"; no dot
  - See also `\j`
- `\ell` script (loop) "l"
- `\wp` fancy script lowercase "P"
- `\Re` script capital "R" ("Real")
- `\Im` script capital "I" ("Imaginary")
- `\prime` prime (also obtained by typing `'`)
- `\nabla` inverted capital Delta
- `\surd` radical (square root) symbol
- `\angle` angle symbol
- `\forall` "for all" (inverted A)
- `\exists` "exists" (left-facing E)
- `\backslash` backslash
- `\partial` partial derivative symbol
- `\infty` infinity symbol
- `\triangle` open triangle symbol
- `\Box` open square
- `\Diamond` open diamond

- `\flat` music: flat symbol
- `\natural` music: natural symbol
- `\sharp` music: sharp symbol

- `\clubsuit` playing cards: club suit symbol
- `\diamondsuit` playing cards: diamond suit symbol
- `\heartsuit` playing cards: heart suit symbol
- `\spadesuit` playing cards: space suit symbol

## Some other symbols

The following symbols can be used in any mode.

- `\dag` dagger
- `\ddag` double dagger
- `\S` section symbol
- `\P` paragraph symbol
- `\copyright` copyright symbol
- `\pounds` British pound sterling symbol

## Calligraphic style letters

Twenty-six calligraphic letters are provided (the upper case alphabet). These can only be used in math mode.

In LaTeX 2.09 they are produced with the `\cal` declaration

      ${\cal A}$

In LaTeX2e they are obtained with the `\mathcal` command:

      $\mathcal{CAL}$

See also: See also Math Formulas, Math Symbols, Math Miscellany

- Arrows
- Delimiters
- Binary and relational operators
- Greek letters
- Variable size symbols (sums, integrals, etc.)
- Math fonts and styles

- `\stackrel` (putting things above other things)

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