26 Jan 202126 Jan 2021Leen NoordzijLeave a Comment on de Fermat’s Last Theorem in the marginal line of Diophantus. Updated 2021-01-26 Edited up to page 4 de Fermat’s Last Theorem in the marginal line of Diophantus. Updated 2021-01-26 Edited up to page 4
19 Jan 202119 Jan 2021Leen NoordzijLeave a Comment on Innovation, Education, Research and Reengineering Updated and Edited 2021-01-19 Epilogue up to page 14 Innovation, Education, Research and Reengineering Updated and Edited 2021-01-19 Epilogue up to page 14
27 Dec 202027 Dec 2020Leen NoordzijLeave a Comment on Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2020-12-27, Watersnood 1953, o.a. voetnoot pag. 19 Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2020-12-27, Watersnood 1953, o.a. voetnoot pag. 19
13 Dec 202013 Dec 2020Leen NoordzijLeave a Comment on Archimedes’ Lever , Trisectrice of an angle by Geometrical Iteration Updated 2020-12-13 Edited a new section 6.6 and Fig.11 Archimedes’ Lever , Trisectrice of an angle by Geometrical Iteration Updated 2020-12-13 Edited a new section 6.6 and Fig.11
13 Dec 202013 Dec 2020Leen NoordzijLeave a Comment on Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2020-12-13 Edited, §1.3 Euclid’s Formula for Pythagorean Triples Prime Numbers, Pythagorean Triples and Goldbach’s Conjecture Updated 2020-12-13 Edited, §1.3 Euclid’s Formula for Pythagorean Triples
27 Apr 2020Leen NoordzijLeave a Comment on Puzzles with my grandchildren Updated 2020-04-27 Water-lilies growing in a pond Puzzles with my grandchildren Updated 2020-04-27 Water-lilies growing in a pond
24 Nov 2019Leen NoordzijLeave a Comment on De beginjaren van de THT. Mijn studie en promotie aan de THT 1964-1973. Updated 2019-11-24(Proloog en Epiloog) De beginjaren van de THT. Mijn studie en promotie aan de THT 1964-1973. Updated 2019-11-24(Proloog en Epiloog)
24 Jul 201820 Sep 2018Leen NoordzijLeave a Comment on De scheepvaart en voortstuwing De scheepvaart en voortstuwing
29 Jan 201718 Sep 2018Leen NoordzijLeave a Comment on Raindrops keep falling on my umbrella. Raindrops keep falling on my umbrella.
12 Jun 201618 Sep 2018Leen NoordzijLeave a Comment on History or historical interpretation. History or historical interpretation.
