#include <iostream>
using namespace std;

#include <cmath>

int main() 
{
    system("clear");  //clear the screen

    float number = 1.80;
    float calculation = number * 1.1; // 1.8 + 10% of 1.8

    float expectedanswer = 1.98;   //as we know, 1.8 + 10% of 1.8 = 1.98

    cout <<"Comparing " << calculation <<" and " << expectedanswer << endl;
   
    if ( fabs( calculation - expectedanswer ) < .0001 )
    {
       cout <<"Equal!" <<endl;
    }
    else 
    {
       cout <<"Not Equal!" <<endl;
    }
    cout <<endl;
}