# Alternative Equation Formats

The equation on this page is available in multiple formats.
Depending on your browser, some formats might not render correctly.

## MathML

$({n}_{11}+{n}_{21})/n$

## MathML rendered with MathJax

$({n}_{11}+{n}_{21})/n$

## Math as LaTeX Source

$(n_{11} + n_{21}) / n$