Plane Geometry with Turbo Basic

Soochow University

6/25/1993

Square Dance

6-Circle Theorem

Concyclic Intersections

von Aubel Theorem

Fregier Theorem

Lemniscate Drawn with Linkage

Miquel Theorem

Another Miquel Theorem

Related to Napoleon Theorem

Poncelet's Porism

A Variation of Poncelet's Porism

Steiner's Porism

Pattern Under Stereographic Projection

Another Pattern Under Stereographic Projection