WordWeb Online

1. Of or pertaining to or of the nature of mathematics
   "a mathematical textbook"; "slide rules and other mathematical instruments"; "a mathematical solution to a problem"; "mathematical proof"
    
2. Relating to or having ability to think in or work with numbers
   "a mathematical whiz";
   - numerical
    
3. Beyond question
   "a mathematical certainty"
    
4. Statistically possible though highly improbable
   "have a mathematical chance of making the playoffs"
    
5. (mathematics) characterized by the exactness or precision of mathematics
   "mathematical precision"

See also: exact, possible, unquestionable

Encyclopedia: Mathematical