Definitions of numerical:

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

  Example: "Tests for rating numerical aptitude"

• adjective:   designated by or expressed in numbers

  Example: "Numerical symbols"

• adjective:   measured or expressed in numbers

  Example: "Numerical value"

• adjective:   of or relating to or denoting numbers

  Example: "Numerical analysis"