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Pi to 50 decimal places appears on the crown of this hat. The pattern makes a cozy beanie, or a fez if you felt it!
Thanks to Jaxbuni for the use of her Pi Mitts chart!
Fun Facts About Pi:
1. 50dp is overkill. Only 39 decimal places of Pi are required to calculate anything to redundant levels of precision - for example, you could navigate across the known universe and be no more than one atom's width from your intended destination at the end. More than my satnav can manage...
2. The Guinness World Record for memorising Pi is held by Lu Chao - 67,890 digits. Some people really have nothing better to do.
3. Pi is known to 10 trillion dp - calculated by Shigero Kondo in October 2011, using an ordinary home computer. Mr Kondo was unavailable to comment at his parents' basement, as he was waiting for a pizza delivery.
Because of the need to include the whole chart, different gauges will be needed to achieve different sizes. Suitable Yarns for these gauges are suggested.
24" head:12st to 10cm/4"
22" head:13st .................
20" head: 14st ................
200 meters of Bulky weight
Rachel (Tomyris) has had a variety of careers, culminating in teaching mathematics. She is convinced that any knitting pattern can be reduced to a mathematical function, but tries to pretend it's too trivial to prove.