bmi_calc

#include <iostream>
#include <math.h>

double easyRound(double dbl, short places)
{
    return roundf(dbl * pow(10, places)) / pow(10, places);
}

int main()
{
    double w;
    double h;
    std::cout << "please enter your weight in kg:  ";
    std::cin >> w;
    std::cout << "\nplease enter your height in meters:  ";
    std::cin >> h;

    double bmi = w / (h * h);
    std::cout << "BMI is:  " << easyRound(bmi, 3) << "\n";
    return 0;
}