You can also use TinyURL to shorten this lengthy URL if you find it inconvenient.

How to copy to MS Word

  1. Click on the "Copy MathML" button above and select "Paste Special..." in MS Word:
  2. Select option "Unformatted Unicode Text":
  3. The math should appear like this:

KaTeX rendering:

To edit equatoion in handheld device, open in Firefox browser landscape mode.