OBSOLETE UNITS PACKAGE SYMBOL
As of Version 9.0, unit functionality is built into the Wolfram Language
is a unit of exposure to X or gamma radiation.
- To use , you first need to load the Units Package using Needs["Units`"].
- is equivalent to approximately 0.000258 Coulomb/Kilogram (SI units).
- is equivalent to Rontgen.
- Convert[n Roentgen,newunits] converts n Roentgen to a form involving units newunits.
- is typically abbreviated as R.