main()
{
clrscr();
puts(" This program is to find the real root of");
puts(" function cos(x)-x=0.");
printf(" >> The real root is %f.\n",countvalue());
printf(" >> The result of cos(%f)-%f is %f.\n",countvalue(),countvalue(),cos(countvalue())-countvalue());
writeDat();
PressKeyToQuit();
}
main()
{
int aa[1000],n,k;
clrscr();
puts(" This program is to find numbers\n which can be divided exactly by 7 or 11,\n but can not be divided exactly both by 7 and 11.");
puts(" These numbers less than 1000 are:");
countvalue(aa,&n);
for(k=0;k<n;k++)
if((k+1)%10==0)
printf("\n");
else
printf("%5d",aa[k]);
writeDAT();
PressKeyToQuit();
}
void main()
{
int i;
clrscr();
puts(" This program is to deal with the number from file.");
puts(" >> The results are:");
for(i=0;i<MAX;i++)xx[i]=0;
if(ReadDat())
{
printf(" Can't open data file IN182.DAT!\007\n");
return;
}
Compute();
printf(" There are %d odds.\n There are %d evens.\n The average value of all the odds is %lf.\n The average value of all the evens is %lf.\n The variance of the odds is %lf.\n",odd,even,ave1,ave2,totfc);
WriteDat();
PressKeyToQuit();
}
void main()
{
int i;
clrscr();
puts(" This program is to execute Bit Shift Operation.");
puts(" >> Now reading datas from file......Succeeded!");
puts(" >> Calculating......Completed!");
puts(" >> Results are:");
for(i=0;i<MAXNUM;i++) xx[i]=0;
if(readdat())
{
printf(" Can't open the data file in188.dat!\007\n");
return;
}
calvalue();
printf(" >> The total number of data in the file is %d.\n",totnum);
printf(" >> The even number of data after bit shift is %d.\n",totcnt);
printf(" >> The variance of these even numbers is %.2lf\n",totpjz);
writedat();
PressKeyToQuit();
}
