Magnetic_Flux

#include <iostream>

using namespace std;

int main()

{
    char more, equation;
    float B,I,a;

    cout<<"\n\n\t Determine the magnetic field \n\t providing your desired values \n\n";


    level1:

        cout<<"\n\t Enter the values of current I in amp \n\t and \n\t the distance from a wire a in metre:";

        cout<<"\t\t\t\n\t current I=";

        cin>>I;

        cout<<"\t\t Distance from the wire, a=";

        cin>>a;

        cout<<"\t press y for do it";

        cin>>equation;

        if (equation=='y')
        {
            B=2*0.0000001*1/a;
            cout<<"\n\t\t"<<B<<" Tesla \n\t is the value of the magnetic field";
        }

        cout<<"n\n\t Do you want to calculate more? \n\t If yes please press y\n\t\t\t and \n\t If no please press n to end the program";

        cin>>more;

        if (more=='y')
        {
            goto level1;
        }
        else
        {
            cout<<"\n\t\t\t Thank you for using the programme \n\t\t\t Good Bye";
        }

        return 0;
}