This book is an encylopedia in the truest sense of the word. Wonderful if thats what you want. Imagine your encyclopedias on your bookshelf. If you wanted to learn about something you would search, and find a short papragraph of what you wanted. Nothing more, Nothing Less. THIS IS A WONDERFUL REFERENCE GUIDE. Nothing More. Nothing Less. Do not get this book if your looking to improve your mathematic skills. Especially seeing how the book, like all encyclopedias is structured A - Z, and has no "institutional" mathmatical structure or outline to show the progression from one area of mathematics to another, what-so-ever.<br><br>IF YOU UNDERSTAND THAT THIS IS A REFERENCE GUIDE, THAT PROBABLY WONT TEACH YOU ANYTHING, THEN THIS IS PROBABLY EXACTLY WHAT YOU WANT. BUY THE BOOK!