Amateur mathematician, professional software engineer. Interested in all kinds of math, becoming a better mathematician, and helping others do the same.
email: jdb1729 (at) gmail.com
127 Why can you turn clothing right-side-out? aug 19 '10
94 What is the importance of the Collatz conjecture? aug 18 '10
16 What are some examples of theories stronger than Presburger Arithmetic but weaker than Peano Arithmetic? sep 5 '10
15 What does “only” mean? aug 25 '10
15 Arrangement of Numbers aug 22 '10