Semester Course Spring 2007 Graphs and Networks Fall 2006 Theory of Linear Algebra   Introductory Combinatorics Spring 2006 Theory of Linear Algebra Fall 2005 Honors Calculus II   Introduction to Combinatorics Spring 2005 Enumerative Combinatorics and Ordered Sets Fall 2004 Introduction to Abstract Algebra   Theory of Matrices Spring 2004 Introduction to Abstract Algebra Fall 2003 Introduction to Combinatorics   Introduction to Linear Algebra Spring 2003 Graphs and Networks Fall 2002 Introduction to Combinatorics   Theory of Matrices Spring 2002 Introduction to Abstract Algebra Fall 2001 Introduction to Combinatorics   Introduction to Linear Algebra Spring 2001 Graphs and Networks Fall 2000 Elementary Differential Equations   Introduction to Combinatorics