tailieunhanh - Catalan's Constant [Ramanujan's Formula], by Greg Fee

Chemical substances (also called pure substances) may well be defined as "any material with a definite chemical composition" in an introductory general chemistry textbook.[2] According to this definition a chemical substance can either be a pure chemical element or a pure chemical compound. But, there are exceptions to this definition; a pure substance can also be defined as a form of matter that has both definite composition and distinct properties.[3] The chemical substance index published by CAS also includes several alloys of uncertain composition.[4] Non-stoichiometric compounds are a special case (in inorganic chemistry) that violates the law of constant composition,. | Project Gutenberg s Catalan s Constant Ramanujan s Formula by Greg Fee This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at Title Catalan s Constant Ramanujan s Formula Author Greg Fee Posting Date August 13 2008 EBook 682 Release Date October 1996 Language English START OF THIS PROJECT GUTENBERG EBOOK CATALAN S CONSTANT Produced by Greg .