Archive for April, 2015

The birds symphony

Saturday, April 11th, 2015

DSC00103

Γεωμετρία Affine

Friday, April 10th, 2015

Αφινική Γεωμετρία Problems

The tetrahedron

Thursday, April 9th, 2015

Max.and Min. Problems for the tetrahedron

Affine Geometry

Thursday, April 9th, 2015

Affinedistances Affine Geometry. The distance from a point to the line