pinkmomo027 · April 3, 2018 20:54
diff --git a/squareRootWithDelta.go b/squareRootWithDelta.go

 func Sqrt(x float64) float64 {
 	i := 1;
 	z := float64(1)
 	t := z - (z*z - x) / (2*z)
 	delta := 0.0000001
 	for math.Abs(t-z) > delta {
 		z = t
 		t = z - (z*z - x) / (2*z)
 		fmt.Println(z)
 		i++;
 	}
 	fmt.Printf("%d times, answer is %f\n", i, t)
 	return t
 }

 func main() {
 	fmt.Println(Sqrt(2), Sqrt(2000000))
 }

	func Sqrt(x float64) float64 {
	i := 1;
	z := float64(1)
	t := z - (zz - x) / (2z)
	delta := 0.0000001
	for math.Abs(t-z) > delta {
	z = t
	t = z - (zz - x) / (2z)
	fmt.Println(z)
	i++;
	}
	fmt.Printf("%d times, answer is %f\n", i, t)
	return t
	}

	func main() {
	fmt.Println(Sqrt(2), Sqrt(2000000))
	}