For serious discussion of the controversies, approaches and enigmas surrounding the origins and development of the human species and of human civilization. (NB: for more ‘out there’ posts we point you in the direction of the ‘Paranormal & Supernatural
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So for your calculations to be correct all you have to do is prove the Ancient Egyptians understood the concept of pi and used 3 + 1/8 + 1/66 + 1/600 (Fibonacci pi in Egyptian fractions) as a unit for pi. From my perspective this is not too likely, but you can try.