Mathematics, numbers, and geometry
Last update 10 August 2026
Nice online calculator (website in German): https://web2.0rechner.de
Online integral calculator from Wolfram Research: https://www.wolframalpha.com/calculators/integral-calculator/?expr=x%5E2%2F%28a+%2B+Log%5Bb+x%5E2%5D%29&random=false
A true random number generator which is based on atmospheric noise: https://www.random.org
Golden Ratio: https://www.goldennumber.net
A pure angular-based coordinate system and curves resulting from a linear relation between two angles alpha and beta in two dimensions - paper in form of a presentation by the author of this website, Version 2 from 10 August 2026, 36 slides or pages, filze size and type 5 MB pdf: https://novam-research.com/resources/A-pure-angular-based-coordinate-system-and-resulting-curves-from-a-linear-relation-between-beta-and-alpha-in-2D.pdf
Sacred Geometry Academy: https://sacredgeometryacademy.com
18 April 2026 The Geometry of Thinking - Explorations in the energetic-synergetic geometry of Richard Buckminster Fuller: https://geometryofthinking.com
22 September 2024 Projective geometry:
- Book "Projective Geometry: From Foundations to Applications". Albrecht Beutelspacher and Ute Rosenbaum, first published in 1998 (pdf) (266 pages) (file size 10 MB): https://www.maths.ed.ac.uk/~v1ranick/papers/beutel.pdf
- Webpage by Wolfram Research: https://mathworld.wolfram.com/ProjectiveGeometry.html
- German-language anthroposophical webpage which provides also a literature list (books in German) and some German-language links: https://anthrowiki.at/Projektive_Geometrie
- German-language paper "Der Bergriff des Gegenraumes" about the so-called counter space by Oliver Conradt, published in the journal "Elemente der Naturwissenschaft" 75, 2 / 2001 (abstract also in English) (pdf): https://mas.goetheanum.org/fileadmin/mas/downloads/Mitarbeitende/ConradtOliver/gegenraum.pdf
22 September 2024 Vortex-Based Mathematics (VBM):
- A beginner's course: https://www.reddit.com/r/vortexmath/comments/jjqvkz/a_beginners_course_in_vortexbased_mathematics_vbm
- Interview and book with / by Marko Rodin: https://sciencetosagemagazine.com/vbm-vortex-based-mathematics-with-marko-rodin
5 November 2022 Oloid - A special geometric shape or solid discovered by the Swiss sculptor and mechanical engineer Paul Schatz:
- Website of the Paul Schatz Foundation in Switzerland (in German, English version under construction): https://paul-schatz.ch
- Available shapes, solids, and related products: https://www.kuboid.ch
- Website of the German company OLOID: https://www.oloid.de
- A published paper: The Development of the Oloid, Hans Dirnboeck and Hellmuth Stachel, Journal for Geometry and Graphics, Volume 1 (1997), pages 105 - 118: https://www.heldermann-verlag.de/jgg/jgg01_05/jgg0113.pdf
- Wikipedia about the Oloid (in German): https://de.wikipedia.org/wiki/Oloid
- Movement of an Oloid - A WOLFRAM Demonstrations Project: https://demonstrations.wolfram.com/MovementOfAnOloid
Dr. Peter Plichta's website about numbers, prime numbers, chemistry, science, and Platon's space mirror (in German): http://www.plichta.de/plichta
Mathematics atelier by Dr. Elisabeth Welz in Frenkendorf in Switzerland (in German): https://www.mathematikatelier.de - currently (as of 10 August 2026) without accessible content. Some information about Dr. Elisabeth Welz are provided in the following two webpages, mainly in German and partly in English: https://axisacademy.info and https://www.bpv.ch/referenten/elisabethwelzadamfudala