Answer to Question #17834 in C++ for islam saad

Question

Write a function that calculates the square root of a
number

Answer 1

#include <iostream>
using namespace std;
double sqaure_root_of(double value)
{
double lo = 1.0;
double hi = value;
while( hi - lo > 0.00001)
{
double mid = lo + (hi -lo) / 2 ;
if( mid * mid - value> 0.00001)
{
hi = mid;
} else {
lo = mid;
}

}
return lo;
}

int main ()
{
cout<< sqaure_root_of(144)<< endl;
system("pause");
return0;
}