```
#include <iostream>
using namespace std;
int main()
{
int i,j;
float a[10][10];
for (i=0; i<10; i++)
{
for (j=0; j<10; j++)
{
a[i][j]=0.2;
a[i][j]=a[i][j]-0.2;
cout<<a[i][j]<<"\n";
}
}
}
```

////

why is the output not exactly 0.00 ???

how do i make it output 0.00