# Alternative Equation Formats

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

## MathML

$\sum _{j}^{n}{w}_{j}$

## MathML rendered with MathJax

$\sum _{j}^{n}{w}_{j}$

## Math as LaTeX Source

$\sum _ j^ n w_ j$