Kalid Azad graduated from Princeton University and has been writing professionally for over a decade, from chapters in the best-selling "How to Program" textbooks (from Deitel, Inc.) to technical whitepapers for Microsoft, Corp. Kalid has tutored math since high school (99% percentile for SAT/GRE/GMAT) and is enamored with finding the clearest, most intuitive insights on seemingly-complicated topics. He founded betterexplained.com, which provides high-quality explanations to millions of readers each year. The site has been referenced in Science Magazine, dozens of university courses, and the blogs for the New York Times, The Atlantic, and Scientific American.