Small Number Square Root Calculator

#include "pch.h"
#include <iostream>
#include "USEFUL_FUNCTIONS.h"

using namespace std;

int main()
{
    float input;
    float result;
    bool gettingResult = false;
    bool console_still_going = true;
    float iterator_ = .01;

    while (console_still_going)
    {
        cout << "Insert the number you want to get the square root of: " << endl;
        cin >> input;

        while (!gettingResult)
        {
            result = iterator_ * iterator_;

            if (result + .05 >= input && result <= input)
            {
                gettingResult = true;
            }

            iterator_ += .01;
        }

        cout << "Square root of " << input << " = " << iterator_ << endl;
        iterator_ = .01;
        system("cls");
    }

    int pause; cin >> pause;
    return 0;
}