




Aha! Solutions (MAA Problem Book Series)Every mathematician (beginner, amateur, and professional alike) thrills to find simple, elegant solutions to seemingly difficult problems. Such happy resolutions are called ``aha! solutions,'' a phrase popularized by mathematics and science writer Martin Gardner. Aha! solutions are surprising, stunning, and scintillating: they reveal the beauty...   SAS Functions by Example, Second Edition
Fully updated for SAS 9.2, Ron Cody's SAS Functions by Example, Second Edition, is a musthave reference for anyone who programs in Base SAS. With the addition of functions new to SAS 9.2, this comprehensive reference manual now includes more than 200 functions, including new character, date and time, distance, probability, sort, and...   Entertaining Mathematical Puzzles
Only an elementary knowledge of math is needed to enjoy this entertaining compilation of brainteasers. It includes a mixture of old and new riddles covering a variety of mathematical topics: money, speed, plane and solid geometry, probability, topology, tricky puzzles and more. Carefully explained solutions follow each problem. 65... 

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