SQRT 16: 4.0000114440918 ?= 4

SQRT 9: 3 ?= 3

SQRT 4: 1.99998474121094 ?= 2

SQRT 2: 1.4141845703125 ?= 1.4142135623731

SQRT 0.5: 0.7071533203125 ?= 0.707106781186548

SQRT -1:  ?= 

SQRT 0: 0.0078125 ?= 0

SQRT 0.001: 0.03125 ?= 0.0316227766016838