#include <stdio.h> void main() { int i; double dVol, dSum, dEvery; dEvery=1.0; dSum=1.0; for(i=1;i<64;i++) { dEvery*=2; dSum+=dEvery; } dVol=dSum/1.42e8; printf("\n dSum=%e dVol=%e",dSum,dVol); }