| | Binary function -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-23) |
 | | Alternatively, a binary function may be interpreted as simply a (A mathematical relation such that each element of one set is associated with at least one element of another set) function from X × Y to Z. |
 | | A (An operation that follows the rules of boolean algebra; each operand and the result take one of two values) binary operation is a binary function where the sets X, Y, and Z are all equal; binary operations are often used to define (Click link for more info and facts about algebraic structure) algebraic structures. |
 | | The concept of binary function generalises to ternary (or 3-ary) function, quaternary (or 4-ary) function, or more generally to n-ary function for any (The number 1 and any other number obtained by adding 1 to it repeatedly) natural number n. |
| www.absoluteastronomy.com /encyclopedia/b/bi/binary_function.htm (738 words) |