Domain: R2E.info Reg: NameCheap Exp: 02/11/2008 BIN: $3 R2 (R, power of 2): A conventional symbol for the coefficient of determination of a linear regression, E: The mathematical constant E is the base of the natural logarithm. It is occasionally called Euler's number after the Swiss mathematician Leonhard Euler, E= 2.71828 R2E: Routes 2 Employment! 300,000+ Google Results! Post SOLD to claim. Payment via paypal. Thanks for looking. Cheers