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Forums - General - Pi Memorization

TruckOSaurus on 12 March 2009

I always went with 3.1416 when doing manually but most of the time I trust my trusty calculator.



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dtewi on 12 March 2009

Ignore this post



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nordlead on 12 March 2009
dtewi said:
Gah! Inaccuracy! I might vomit!

It isn't 3.1416! Even if you rounded! It is 3.1415!

If the radius of a circle was 100in., your area would be off by 10 in.^2

3.14159 rounds to 3.1416

 




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TruckOSaurus on 12 March 2009
dtewi said:

Ignore this post

Ah! Ah! Too late nordlead quoted it!

 



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dtewi on 12 March 2009

My technique for pi is to identify patterns. The sequence "847564" occurs in pi. I split it into twos. 84 75 64. Notice how the first number goes down and the second goes "4-5-4". I use these little patterns to create large strings.



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dtewi on 12 March 2009

I forgot. I mixed up the sequence. I thought it was "356592", but it is "926535" after the 1415.



Kimi wa ne tashika ni ano toki watashi no soba ni ita

Itsudatte itsudatte itsudatte

Sugu yoko de waratteita

Nakushitemo torimodosu kimi wo

I will never leave you

highwaystar101 on 12 March 2009

I was always taught to round pi to 3.142. But I can recite the digits to about 10 places, but that doesn't take much memory lol



TruckOSaurus on 12 March 2009
dtewi said:
I forgot. I mixed up the sequence. I thought it was "356592", but it is "926535" after the 1415.

Good thing you made that mistake here today, you would have looked foolish tomorrow failing at the 5th digit. For that, I'm demanding half of your prize if you win tomorrow.



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dtewi on 12 March 2009

Now THAT"S inaccurate.



Kimi wa ne tashika ni ano toki watashi no soba ni ita

Itsudatte itsudatte itsudatte

Sugu yoko de waratteita

Nakushitemo torimodosu kimi wo

I will never leave you

dtewi on 12 March 2009

Gotta go. If I have to memorize 500, I need to do it accurately over a prolonged period.



Kimi wa ne tashika ni ano toki watashi no soba ni ita

Itsudatte itsudatte itsudatte

Sugu yoko de waratteita

Nakushitemo torimodosu kimi wo

I will never leave you