Definitions of mathematical:

• adjective:   statistically possible though highly improbable

  Example: "Have a mathematical chance of making the playoffs"

• adjective:   beyond question

  Example: "A mathematical certainty"

• adjective:   of or pertaining to or of the nature of mathematics

  Example: "A mathematical textbook"

• adjective:   characterized by the exactness or precision of mathematics

  Example: "Mathematical precision"

• adjective:   relating to or having ability to think in or work with numbers

  Example: "A mathematical whiz"