Technology Tips: Building Interactive Demonstrations with Sage
Maura Murray; Edited by Larry Ottman and James Kett
September 2013, Volume 107, Issue 2, Page 144
This brief introduction to the open-source software package, Sage, features three interactive examples involving integer factoring, graphing quadratics, and combinations of a finite set. Interactive environments, called interacts in Sage, are the primary focus of the article; additional Sage resources are given at the end.
Permutations / Combinations / Counting Problems