History of dynamic geometry software

The earliest dynamic geometry software

was the "Geometric Supposer", which was developed in the early 1980s
  • Schwartz; Yerushalmy and Wilson (1993). The Geometric Supposer: What is it a Case of? Hillsdale, NJ: Lawrence Erlbaum Associates.

Interactive Geometry Software

  • Cabri (Jean-Marie Laborde, 1986-)
  • Cinderella (Jürgen Richter-Gebert and Ulrich Kortenkamp, 1998-)

Dynamic Geometry Software

Construction Tool

  • GC (Yasuyuki Iijima (Aichi University of Education, 1989-)