25 lines
434 B
C
25 lines
434 B
C
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/* PI 's value - Program to find value of pi using the series : pi^2 / 6 = 1/1^2 + 1/2^2 +..... + 1/1000^2 */
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#include <stdio.h>
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#include <conio.h>
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#include <math.h>
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void main()
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{
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float s=0, pi, i ;
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clrscr() ;
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for(i=1 ; i<=1000 ; i++)
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s=s+1/(i*i) ; /* Parentheses compulsory */
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pi=sqrt(s*6) ;
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printf("The value of pi is %f", pi) ;
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getch() ;
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}
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/*
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Output :
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The value of pi is 3.140638
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*/
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