Bridges and Hanging Chains

• Pupils' document of practical assignment (PDF document).
• Coach project files (zip archive).
• Investigating Bridges and Hanging Chains,
  in M. Borovcnik, H. Kautschitsch (eds.) Technology in Mathematics Teachting. Proceedings of the ICTMT 5 in Klagenfurt, 2001. Schriftenreihe Didaktik der Mathematick v. 25 öbv&hpt, Vienna 2002.
• A Practical Investigation Task with the Computer at Secondary School: Bridges and Hanging Chains,
  extended paper to appear on ICTMT5 CD-rom, Klagenfurt, 2002.