{{MathMLRef}} 

The <mtd> MathML element represents a cell in a table or a matrix. It may only appear in a {{ MathMLElement("mtr") }}  element. This element is similar to the {{ HTMLElement("td") }}  element of HTML.

Attributes

This element’s attributes include the global MathML attributes as well as the following attributes:

• columnspan
  • : A non-negative integer value that indicates on how many columns does the cell extend.
• rowspan
  • : A non-negative integer value that indicates on how many rows does the cell extend.

Some browsers may also support the following attributes:

• columnalign {{Non-standard_Inline}} 
  • : Specifies the horizontal alignment of this cell and overrides values specified by {{ MathMLElement("mtable") }}  or {{ MathMLElement("mtr") }} . Possible values are: left, center and right.
• rowalign {{Non-standard_Inline}} 
  • : Specifies the vertical alignment of this cell and overrides values specified by {{ MathMLElement("mtable") }}  or {{ MathMLElement("mtr") }} . Possible values are: axis, baseline, bottom, center and top.

Examples

Matrix using mtable, mrow, mtr and mtd

<math display="block">
  <mfrac>
    <mi>A</mi>
    <mn>2</mn>
  </mfrac>
  <mo>=</mo>
  <mrow>
    <mo>(</mo>
    <mtable>
      <mtr>
        <mtd><mn>1</mn></mtd>
        <mtd><mn>2</mn></mtd>
        <mtd><mn>3</mn></mtd>
      </mtr>
      <mtr>
        <mtd><mn>4</mn></mtd>
        <mtd><mn>5</mn></mtd>
        <mtd><mn>6</mn></mtd>
      </mtr>
      <mtr>
        <mtd><mn>7</mn></mtd>
        <mtd><mn>8</mn></mtd>
        <mtd><mn>9</mn></mtd>
      </mtr>
    </mtable>
    <mo>)</mo>
  </mrow>
</math>

{{EmbedLiveSample('Alignment with row number')}} 

Technical summary

Specifications

{{Specifications}} 

Browser compatibility

{{Compat}} 

See also

• {{ MathMLElement("mtable") }} 
• {{ MathMLElement("mtr") }}