What is kig

• Part of kdeedu project since kde 3.2

  
  

• Interactive geometry (dynamic geometry)
  Similar projects: drgeo, kgeo, kseg (free software)
  cabri, cinderella (commercial software)
  

  
  

• Construction of 2D geometrical objects; dynamic manipulation keeping the interrelation among objects

  
  

• High school students (geometry courses and more)

  
  

• A few uncommon examples: