Sqrt of 100 is 10
Sqrt of 20 is 4.47213595499958
Sqrt of 1 is 1
Sqrt of 0 is 0
Sqrt of -10 is NaN
Sqrt of 5223849703457 is 2285574.2611993598
Sqrt of NaN is NaN
Sqrt of -394729834.23472393 is NaN