References
References
- Tobin P 2002 Proceedings of the 2nd International Conference on the Teaching of Mathematics, Hersonissos, Crete, Greece http://www.math.uoc.gr/ictm2/.
- Ball L 2001 Proceedings of ICMI Meeting on Teaching and Learning Algebra Melbourne 2001
- Herget W Heigl H Kutzler B Lehmann E 2000 Indispensable Manual Calculation Skills in a CAS Environment http://b.kutzler.com/article/art_indi/art_indi.pdf.
- Pozzi S 1994 inDERIVE in Education edited by H. Heigl and B. Kutzler Bromley Chartwell-Bratt
- WWW Interactive Mathematics Server: http://wims.unice.fr/∼wims/wims.cgi.
- Heid , MK . 1988 . J. Res. Math. Educ. , 19 ( 1 ) : 3
- Zorn P 2002 Proceedings of the 2nd International Conference on the Teaching of Mathematics Hersonissos, Crete Greece http://www.math.uoc.gr/ictm2/.
- Lagrange , JB . 2000 . Educ. Stud. Math , 43 ( 1 )