1. A method for searching a range of values, said method comprising: providing at least one index entry indicative of said range, each index entry being indicative of a respective portion of said range; providing a plurality of search terms indicative of a query value; comparing each of said at least one index entry with each of said search terms; and if said act of comparing results in a match between an index entry and a search term, providing an indication of a respective portion of said range associated with said matching index entry.