| Institution | Degree | Graduation Date |
|---|---|---|
| University of North Texas | Doctor of Philosophy | |
| Emporia State University | Bachelor of Science in Education | |
| Stephen F. Austin State University | Master of Science |
| Employer | Position | Start Date | End Date |
|---|---|---|---|
| Midwestern State University | Professor of Mathematics | 09/01/2020 | |
| Midwestern State University | Professor of Mathematics/Chair | 08/01/2010 | 08/01/2020 |
| Midwestern State University | Associate Professor of Mathematics | 08/01/2004 | 08/01/2010 |
| Midwestern State University | Assistant Professor of Mathematics | 08/01/1999 | 08/01/2004 |
| Mount Union College | Assistant Professor of Mathematics | 08/01/1998 | 05/01/1999 |
| University of North Texas | Graduate Teaching Fellow | 08/01/1993 | 07/01/1998 |
| Stephen F. Austin State University | Graduate Teaching Assistant | 08/01/1991 | 08/01/1993 |
| Blue Valley High School, Blue Valley USD #229 | High School Mathematics Teacher | 08/01/1988 | 05/01/1991 |
| Blue Valley Middle School, Blue Valley USD #229 | Middle School Mathematics Teacher | 01/01/1987 | 08/01/1988 |
D. Slavens & M. Harrell. (2009) “Graphing Piecewise-defined Functions by the Use of Domain Regions” Kansas Science Teacher: Journal of Mathematics and Science Teaching (to appear).
D. Slavens & M. Harrell. (2009) “Is a Rational Function’s End Behaviors related to the End Behavior of the Quotient of Its Associated Polynomials?” ON-Math, Online Journal of School Mathematics Volume 7, Issue 1 (6 pages plus related electronic student activity).
M. Harrell & D. Slavens. (2009) “Using Base-ten Block Diagrams to Discover Divisibility Tests” Teaching Children Mathematics, Vol. 15 Issue 6, pp. 370-378.
D. Slavens & M. Harrell. (2006)“Investigating Horizontal Asymptotes and the Graphs of Rational Functions”Ohio Journal of School Mathematics, #54 (Autumn), pp. 38-45.
E. Bator, P. Lewis, & D. Slavens. (2006) “Vector Measures, c0, and (sb) Operators” Bulletin of the Polish Academy of Sciences, Vol. 54 No. 1, pp. 63 – 73.
M. Harrell & D. Slavens. (2004) “Investigating Vertical Asymptotes and the Graphs of Rational Functions”, Ohio Journal of School Mathematics, #50 (Autumn), pp. 64 – 70.
D. Slavens. (2004) “Exploring the Pythagorean Theorem with The Geometer’s Sketchpad” Kansas Science Teacher: Journal of Mathematics and Science Teaching, Vol. 15, (Spring), pp. 31-38.
E. Bator & D. Slavens. (2003) “DP-1 and Completely Continuous Operators” International Journal of Mathematics and Mathematical Sciences, Volume 2003 No. 37, pp. 2375 – 2378.
E. Bator & D. Slavens. (2001) “Applications of a Decomposition in X tensor Y” Annali di Matematica Pura ed Applicata (IV), Vol. CLXXIX, pp. 189 – 196.