R^-
See also
R, R-+, R-*, Real NumberExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "R^-." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/R-.html
Weisstein, Eric W. "R^-." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/R-.html