Euler’s squares

• April 20, 2017 • Leave a Comment

A strange Soviet construction

• January 14, 2017 • Leave a Comment

Some reminiscences of our study of chaotic maps-1

• December 18, 2016 • Leave a Comment

Paper folding, Sundara Rao and geometrical constructions

• November 26, 2016 • Leave a Comment

Ramanujan’s second construction for the approximate squaring of a circle

• October 19, 2016 • Leave a Comment

Some meanderings among golden stuff-2

• October 4, 2016 • Leave a Comment

Knotting a string: line, parabola, conchoid and knot

• October 1, 2016 • Leave a Comment