selected publications

academic article
 Computer algebra systems in mathematics instruction: Implications from research. The Mathematics Teacher. 95:586603. 2002
 Research on Mathematics Learning in CAS Environments. Proceedings of the Eleventh Annual International Conference on Technology in Collegiate Mathematics. 1999
 Studentsâ€™ interpretation and use of dynamic representations of functions. Proceedings of the Twelfth Annual International Conference on Technology in Collegiate Mathematics. 1999
 The roles of CAS technology in nonroutine problem solving. Proceedings of the Tenth Annual International Conference on Technology in Collegiate Mathematics. 1997