# \bigg

Manual larger fixed-size delimiter used as an ordinary math symbol when automatic \left...\right sizing is undesirable.

https://texform.dev/latex/commands/bigg

## Metadata

| Field | Value |
| --- | --- |
| Topic | [Delimiters](https://texform.dev/latex/topics/delimiters) |
| Packages | base |
| Allowed mode | math |
| Tags | presentation |
| Commonality | low |
| Kind | prefix |

## Syntax

### base

Argument specification: `m:D`

Manual larger fixed-size delimiter used as an ordinary math symbol when automatic \left...\right sizing is undesirable.

## Common tasks

### How to write a very tall parenthesis

```latex
\bigg( \sum_{i=1}^n \frac{a_i}{b_i} \bigg)
```

[Open in Playground](https://play.texform.dev/?input=%5Cbigg%28+%5Csum_%7Bi%3D1%7D%5En+%5Cfrac%7Ba_i%7D%7Bb_i%7D+%5Cbigg%29)

### How to match a tall binomial with tall fences

```latex
\bigg[ \binom{n}{k} \bigg]
```

[Open in Playground](https://play.texform.dev/?input=%5Cbigg%5B+%5Cbinom%7Bn%7D%7Bk%7D+%5Cbigg%5D)

## Examples

```latex
\bigg(
```

[Open in Playground](https://play.texform.dev/?input=%5Cbigg%28)

```latex
\bigg\langle
```

[Open in Playground](https://play.texform.dev/?input=%5Cbigg%5Clangle)

```latex
\bigg{(}
```

[Open in Playground](https://play.texform.dev/?input=%5Cbigg%7B%28%7D)

## Renderer support

| Package | MathJax | KaTeX | XeTeX |
| --- | --- | --- | --- |
| base | full | full | full |

## Usage frequency

1.23% of formulas in the measured corpus contain this entry, rank 44 of 263 entries with frequency data.

## In TeXForm

TeXForm parses this entry as prefix syntax; the package determines its argument specification.

### [base/bigg-delimiter-size-drop](https://texform.dev/rules/base/bigg-delimiter-size-drop)

Drop the fixed delimiter size imposed by \bigg.

Level: equiv. Fidelity: reading.

```latex
\bigg (
```

→

```latex
(
```

```latex
a\bigg(b
```

→

```latex
a(b
```

## See also

- [\\big](https://texform.dev/latex/commands/big)
- [\\Big](https://texform.dev/latex/commands/Big)
- [\\Bigg](https://texform.dev/latex/commands/Bigg)
- [\\biggl](https://texform.dev/latex/commands/biggl)
- [\\Biggl](https://texform.dev/latex/commands/Biggl)
- [\\biggm](https://texform.dev/latex/commands/biggm)
- [\\Biggm](https://texform.dev/latex/commands/Biggm)
- [\\biggr](https://texform.dev/latex/commands/biggr)
- [\\Biggr](https://texform.dev/latex/commands/Biggr)
- [\\bigl](https://texform.dev/latex/commands/bigl)
- [\\Bigl](https://texform.dev/latex/commands/Bigl)
- [\\bigm](https://texform.dev/latex/commands/bigm)
- [\\Bigm](https://texform.dev/latex/commands/Bigm)
- [\\bigr](https://texform.dev/latex/commands/bigr)
- [\\Bigr](https://texform.dev/latex/commands/Bigr)

## Test cases

### base

| Input | Case | MathJax | KaTeX | XeTeX |
| --- | --- | --- | --- | --- |
| \bigg ( | Positive: baseline | Pass | Pass | Pass |
| \bigg a | Negative: neg:D[0] | Fail | Fail | Fail |
