Biographies

Quadrivium logo
david dennis photo

David Dennis

Ph.D. in Mathematics Education

Cornell University

read more

Susan Addington

Ph.D. in Mathematics

State University of New York at Stony Brook

read more

 

susan addington photo

Quadrivium

Mathematical Intentions
Measuring the World

Applets

Contact us

Last updated August 27, 2011

Copyright 2009-11 David Dennis and Susan Addington. All rights reserved.