• In 2000-2001, I was director of ArsDigita University (ADU), a fascinating experiment in CS education, and a pioneer distance learning endeavor.  Here is an indexed collection of all its video lectures on YouTube.  Read about ADU.
  
• Publications and Recent Grant Funding
• Current Vita

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• My new book: Rediscovering Mathematics 2011
  
• Java Book with Ralph 2009   Book Website
  

• Technology in the Classroom, Invited Lecture, South Area Solomon Schechter Day School, February 2008.
• Our  NSF Grant for teaching secondary school teachers Java and OOP.
• My article on How to Read Mathematics.
  
• Paulo Porta version of my Pythagoras' Theorem Proofs.
  
• I spent the 1998-1999 on sabbatical at the Hebrew University in Jerusalem.  We lived in a small development town in the Judean desert between Jerusalem and Jericho.   Here is the monthly journal of our year in Israel, online due to popular demand.
• Talk in Japan on a Combinatorial Card Trick.
• Discovering Mathematics in Unexpected Places - Invited Lecture for the Pi Mu Epsilon (Math Honor Society) Induction, Bridgewater State College,  April 2004
• For Historians of Jewish Mathematicians:  Here is an electronic version of the Hebrew half of Lange's translation of Ralbag's Maaseh Hoshev  Note:  This was copied and typed by hand from the original, and not scanned.
  

• Discrete Math I - TTh 1:00 - 2:15
  
• Theory of Computation - TTh 8:30 - 9:45
  
• Mathematical Experiments in Computer Science -  W 2:30-5:00
  

• How Computers Work - TTh 1:00-2:15
  
• Discrete Math II - TTh 10:00-11:15
  
• Algorithms- TTh 8:30-9:45
  

Old course links: 
Mathematical Reasoning for Education Majors -  Rediscovering Mathematics
History of Mathematical Ingenuity