OBSOLETE UNITS PACKAGE SYMBOL
As of Version 9.0, unit functionality is built into the Wolfram Language
is a unit of time.
- To use , you first need to load the Units Package using Needs["Units`"].
- is equivalent to 31536000000 Second (SI units).
- is equivalent to 1000 Year.
- Convert[n Millennium,newunits] converts n Millennium to a form involving units newunits.