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# amp-mathml

#### Description

Displays a MathML formula.

#### Required Scripts

<script async custom-element="amp-mathml" src="https://cdn.ampproject.org/v0/amp-mathml-0.1.js"></script>

#### Supported Layouts

## Usage

Renders a MathML formula in an iframe.

The example below displays the quadratic formula:

<amp-mathml layout="container" data-formula="\[x = {-b \pm \sqrt{b^2-4ac} \over 2a}.\]" > </amp-mathml>

The example below displays Cauchy's integral formula:

<amp-mathml layout="container" data-formula="\[f(a) = \frac{1}{2\pi i} \oint\frac{f(z)}{z-a}dz\]" > </amp-mathml>

The example below displays a double angle formula for cosines:

<amp-mathml layout="container" data-formula="$$ \cos(θ+φ)=\cos(θ)\cos(φ)−\sin(θ)\sin(φ) $$" > </amp-mathml>

### Inline formula

This is an example of a formula of `<amp-mathml layout="container" inline data-formula="`x`"></amp-mathml>`

, `<amp-mathml layout="container" inline data-formula="\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)"></amp-mathml>`

placed inline in the middle of a block of text. `<amp-mathml layout="container" inline data-formula="\( \cos(θ+φ) \)"></amp-mathml>`

This shows how the formula will fit inside a block of text and can be styled with CSS.

## Attributes

### data-formula (required)

Specifies the formula to render.

### inline (optional)

If specified, the component renders inline (`inline-block`

in CSS).

### title (optional)

Define a `title`

attribute for the component to propagate to the underlying `<iframe>`

element. The default value is `"MathML formula"`

.

## Validation

See amp-mathml rules in the AMP validator specification.

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