17. The method of claim 15 , further comprising entering a query comprising a plurality of equations for performing a search, wherein said query comprises a function without a predefined syntax or order of symbols, wherein the function comprises a mathematical function in which at least one symbol is not alphanumeric or a type of punctuation selected from the group consisting of a comma, period, question mark, exclamation point, colon, semi-colon, single or double glyphs (quotation marks).
15. The method of claim 14 , wherein said searching through one or more documents further comprises categorizing said function to determine a scientific or mathematical category; determining whether said one or more documents comprises content in said scientific or mathematical category; and ranking said function match also according to said category determination.