Extension test page is an administrative page used to test the proper operation of extensions that have been installed on the wiki.

## Code editor

(Wiki admins only) Edit MediaWiki:Print.css and toggle the editor toolbar.

## HTML test

This is not an extension, but it checks HTML functionality.

## Math

To purge a page with math formulas (refresh the server's cache), append `?action=purge&mathpurge=true` to the URL.

Suppose random variable X can take value x1 with probability p1, value x2 with probability p2, and so on, up to value xk with probability pk. Then the expectation of this random variable X is defined as

'"`UNIQ--postMath-00000001-QINU`"'

Since all probabilities pi add up to one: p1 + p2 + ... + pk = 1, the expected value can be viewed as the weighted average, with pi’s being the weights:

'"`UNIQ--postMath-00000002-QINU`"'

## Parser functions

{{#ifeq: 1e3 | 1000 | equal | not equal}} equal

Early Stage Research Sharing Leads to Change (24 January 2020)

The idea of sharing is not unique to humanity. Early stage research sharing in the health science fields, however, is a relativity new concept.

Top 5 Papers January 13 to 19, 2020 (20 January 2020)

This week's top 5 SSRN papers January 13 to 18, 2020

Top 5 Papers on SSRN 01/06/2020 to 01/12/2020 (12 January 2020)

Top 5 Papers, based on downloads from 01/06/2020 to 01/12/2020 # ID Abstract Title Authors Affiliations Downloads 1 3516536 The Great Transformation: Making China a High-Income Country Christopher...

SSRN Top 10 Papers 2019 (07 January 2020)

Top 10 Papers on SSRN 2019

SSRN Top 5 Papers December 30, 2019 to January 4, 2020 (05 January 2020)

SSRN Top 5 Papers December 30, 2019 to January 4, 2020

## References

Test Citation[1]

1. This is a citation

## SyntaxHighlight_GeSHi

```def quickSort(arr):
less = []
pivotList = []
more = []
if len(arr) <= 1:
return arr
else:
pass```