📄 sqrt.cpp
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// sqrt.cpp
// demonstrates sqrt() library function
#include <iostream> //for cout, etc.
#include <cmath> //for sqrt()
using namespace std;
int main()
{
double number, answer; //sqrt() requires type double
cout << "Enter a number: ";
cin >> number; //get the number
answer = sqrt(number); //find square root
cout << "Square root is "
<< answer << endl; //display it
return 0;
}
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