Waarom heet een beginnerscursus een 101?

Dit is afkomstig uit de vak codes. Het complete stuukje uitleg in het engels onder de link. In het kort:

eerste collegejaar: 1
Onderwerp nummer: 0
vak volgnummer in onderwerp: 1

gevolg: 101

Toegevoegd na 1 minuut:
[quote=http://www.slate.com/id/2149082/]
In the late 1920s. The Oxford English Dictionary finds the first use of "101" as an introductory course number in a 1929 University of Buffalo course catalog. Colleges and universities began to switch to a three-digit course-numbering system around this time. In 1935, two researchers from Kent State published a paper celebrating the efficiency of the new system: "Recently college catalogs have revealed a commendable trend toward a logical arrangement of course numbers," they wrote. "The loose hodgepodge of former years is giving way to systematic arrangement."
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