a5sol.cpp

#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
    cout.precision(4);
    cout.setf(ios::fixed);
    float start, stop, step, miles;
    cout << "Enter start: ";
    cin >> start;
    cout << "Enter stop: ";
    cin >> stop;
    if(stop <= start) // error
    {
        cout << "ERROR: stop must be greater.\n";
    }
    else  // go on
    {
        cout << "Enter step: ";
        cin >> step;
        if(step <= 0) // error
        {
            cout << "ERROR: step must be >0\n";
        }
        else // go on
        {
            cout << " Miles   Kilometers \n";
            for(miles = start; miles <= stop; miles += step)
            {
                float km = miles * 1.60934;
                cout << setw(8) << miles 
                     << "    " 
                     << setw(8) << km << "\n";
            } 
        }
    }
    return 0;
}