Cabri Java @
7/10 Constructions with the Compasses Alone
7/11 Curve as Envelope of Lines
7/12 Orthogonal Circles
7/17 Tangents
7/19 Symmetrical Properties
7/24 Linkage
7/25 Van Schooten's Locus Problem
7/26 Geometric Properties Among Various Curves
8/7 Curves Meeting Orthogonally
8/8 Deltoid
8/9 Steiner's Porism