11 Dec 2025Leen NoordzijLeave a Comment on Wiskunde D Online VWO 4, Summary Blok 1-7 and solved Problems Mathematics Preparation for College, yOUlearn Updated Blok 7 2025-12-11 Toegift a serie and a limit page 232 Wiskunde D Online VWO 4, Summary Blok 1-7 and solved Problems Mathematics Preparation for College, yOUlearn Updated Blok 7 2025-12-11 Toegift a serie and a limit page 232
5 Dec 20255 Dec 2025Leen NoordzijLeave a Comment on Ship Hydrodynamics, Ship Propeller Acoustics and Cavitation. Updated 2025-12-05 §4 cavitation and cavitation inception, pages 9 and 10 Ship Hydrodynamics, Ship Propeller Acoustics and Cavitation. Updated 2025-12-05 §4 cavitation and cavitation inception, pages 9 and 10
28 Nov 202528 Nov 2025Leen NoordzijLeave a Comment on De beginjaren van de THT, een Terugblik An experiment with Liberal Arts at Twente Institute of Technology. Mijn studie en promotie aan de THT 1964-1973. Updated 2025-11-28 Edited en typos De beginjaren van de THT, een Terugblik An experiment with Liberal Arts at Twente Institute of Technology. Mijn studie en promotie aan de THT 1964-1973. Updated 2025-11-28 Edited en typos
26 Nov 202526 Nov 2025Leen NoordzijLeave a Comment on De Fermat’s Last Theorem and the margin of De Fermat’s Diophantus The emergence of Format’s Last Theorem from Pythagorean Triples Update: 2025-11-26: §4 edited De Fermat’s Last Theorem and the margin of De Fermat’s Diophantus The emergence of Format’s Last Theorem from Pythagorean Triples Update: 2025-11-26: §4 edited
25 Nov 2025Leen NoordzijLeave a Comment on Pythagorean Triples, Goldbach’s Conjecture and De Fermat’s Last Theorem Updated 2025-11-25: §§2,3 and 4 edited. Pythagorean Triples, Goldbach’s Conjecture and De Fermat’s Last Theorem Updated 2025-11-25: §§2,3 and 4 edited.
29 Oct 202529 Oct 2025Leen NoordzijLeave a Comment on Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2025-10-29, §10 Tenslotte, “.. tussen droom en daad ….” Mijn geschiedenis van de haven van Pernis. 1942-1954, de haven, het water en de watersnood. Updated 2025-10-29, §10 Tenslotte, “.. tussen droom en daad ….”
13 May 202513 May 2025Leen NoordzijLeave a Comment on From De Fermat to Pythagoras and Back. The emergence of Format’s Last Theorem from Pythagorean Triples Updated 2025-05-13 , footnote 4 added Leen Noordzij, From De Fermat to Pythagoras and Back. The emergence of Format’s Last Theorem from Pythagorean Triples Updated 2025-05-13 , footnote 4 added Leen Noordzij,
7 Jan 20257 Jan 2025Leen NoordzijLeave a Comment on de Fermat’s Last Theorem in the marginal line of Diophantus. Updated 2025-01-07 Edited and typos de Fermat’s Last Theorem in the marginal line of Diophantus. Updated 2025-01-07 Edited and typos
8 Dec 20228 Dec 2022Leen NoordzijLeave a Comment on Incompleteness, Uncertainty and Archimedes ‘Lever’. Update 2022-12-08, §15 Artificial Intelligence, The Juvenalis Dilemma. The Ultimate Lever: Know Thyselve Use Ockham’s razor to make the lever work Incompleteness, Uncertainty and Archimedes ‘Lever’. Update 2022-12-08, §15 Artificial Intelligence, The Juvenalis Dilemma. The Ultimate Lever: Know Thyselve Use Ockham’s razor to make the lever work
26 Sep 202226 Sep 2022Leen NoordzijLeave a Comment on A History of Shipping and Propulsion Edited and Updated 2022-09-26 Edited and Chapter 9 Flettner rotors added. A History of Shipping and Propulsion Edited and Updated 2022-09-26 Edited and Chapter 9 Flettner rotors added.