ED Calculator Source Code

#include<iostream>
#include<string>
#include<ctype.h>

using namespace std;

int main(){
    char exit = 'N';
    char input;
    int jumpRange;
    int jumpsIn1000;
    int distanceTravelledIn1000;
    int distanceFromSGR;
    int output;

    while(true){
        cout << "Input jump range: ";
        cin >> jumpRange;

        cout << "Input distance from Sag A*(In 1,000 LY, e.g. 15,000 = 15): ";
        cin >> distanceFromSGR;

        if(cin.fail()){
            cout << "\n\nInput is invalid, please try again.\n \n";
            cin.clear();
            cin.ignore(10, '\n');
            continue;
        }

        jumpsIn1000 = 1000 / jumpRange;
        distanceTravelledIn1000 = jumpRange * jumpsIn1000;


        output = distanceTravelledIn1000 - ((jumpsIn1000/4) + (distanceFromSGR * 2));

        cout << "Optimal Plotting range is: " << output << endl;

        cout << "\nWould you like to exit the program?(Y):";
        cin >> exit;
        cout << endl;
        if(exit == 'y' || exit == 'Y'){
            break;
        }
    }

    return 0;
}