by 
lexxxx
ANSWERS: 3
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It is a mathematical equation that doesn't have a whole answer, it will go on for ever. 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067982148086513282306647093844609550582231725359408128481117450284102701938521105559644622948954930381964428810975665933446128475648233786783165271201909145648566923460348610454326648213393607260249141273724587006606315588174881520920962829254091715364367892590360011330530548820466521384146951941511609... and so on.
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pi is calculated using an infinite series pi*(1/4)= *sum of*( [(-1^n)/2n+1] ) when n is a real number starting from 0 to infinity. so the higher the n, the more values you add ergo the more decimals and a more accurate value for pi. ********************************************** EXAMPLE: pi from (n)=0 to (n) = 3 >> Pi = 4*(1 + [-1/2(1)+1] + [1/2(2)+1] + [-1/2(3)+1] = 4* (1-1/3+1/5-1/7) = 2.89.... and as you see 2.89 is not even close to 3.1415926 but as you make n higher, pi becomes more accurate. ******************************************** SO TO ANSWER THE QUESTION: they dont find "the next number of pi" the just add the next n value to give a more accurate (new) number. NOTE: as you can see EVEN n to 1000 is only accurate to 8 decimals. (3.141 592 654 ..... the last number should be 3 so you need a very VERY high number to get it accurate to many many decimal places.
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Can't answer that one but thought you might be interested; my friend is working on memorizing as many digits as pi as she can. I think she's up to about the 50th decimal.
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