SlackBuildsOrg/desktop/plasma-geek-clock

plasma-geek-clock (Geek Clock plasmoid)

Geek Clock plasmoid resembles the outlook of the Geek Clock:

http://www.likecool.com/Geek_Clock--Clock--Home.html.

This is a simple analog clock but instead of regular numbers on the
clock dial, it has equivalent notations from mathematics, physics and
computer science.