π

p is a remarkable number. Books, chapters and web pages have been written to describe its various facets. There are even people crazy about it.

Have you noticed that

I also wrote a page, almost a lesson plan, suitable for middle schoolers. Determination of p.

The decimal digits of π are computed one by one. The hexadecimal digits may be computed independently by the Spigot algorithm.

References

  1. J. Arndt, C. Haenel, π Unleashed, Springer, 2000

Related material
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  • Irrational number to an irrational power may be rational
  • Bisector of an imaginary angle may be real
  • Distances from the square root of 2
  • Almost every integer has a digit 3 in it
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