kimitoboku/03-161129.go

## 03-161129.go
package main

import (
	"fmt"
)

func Sqrt(x float64) float64 {
	var z float64 = 10
	for i := 0; i < 10; i++ {
		z = z - (z*z-x)/(2*z)
	}
	return z
}

func main() {
	fmt.Println(Sqrt(2))
}
	package main

	import (
	"fmt"
	)

	func Sqrt(x float64) float64 {
	var z float64 = 10
	for i := 0; i < 10; i++ {
	z = z - (zz-x)/(2z)
	}
	return z
	}

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