Wikipedia
R* (disambiguation)
R*, R*, or *R can mean the following:
- R*, the symbol for an ecological concept developed by G. David Tilman to explain the minimum concentration to which an organism can reduce a resource. R is the symbol he uses for generic resources, hence R*
- *R and R* may refer to the hyperreal numbers
- Rockstar Games, a games developer most notable for the Grand Theft Auto series, and its subsidiaries
- R Star (disambiguation)