You can make a sunflower pattern in Exc

Tim Hutton - 2011-08-04 11:15:56+0000 - Updated: 2011-08-04 11:15:56+0000

You can make a sunflower pattern in Excel or Libre Office Calc by using these two cell formulae in A1 and B1:
= SQRT(ROW(A1)) * COS(ROW(A1)*2.4)
= SQRT(ROW(B1)) * SIN(ROW(B1)*2.4)
and then extending the formulae down over a few hundred cells and making a scatter graph.

Wolfram Blog : How I Made Wine Glasses from Sunflowers

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