User:Arthur Baelde

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My forename is Yves. But now I sign Arthur on Wikipedia.
  Arthur Baelde (talk) 09:57, 14 April 2018 (UTC)

By typing in  SVG code   I have been  making images for years.
  Arthur Baelde (talk) 11:10, 13 November 2021 (UTC)

Golden tilings revealing two similarities which multiply two areas by 5.
Two relations can be deduced between the golden number and square root of 5,  one of them is on the image.