Go implementation of square root function using Newton’s method

Image source : https://pixabay.com/en/square-root-x-roots-symbol-27349/

When you begin to learn the trending Go lang you may have encounter with the exercise to implement the square root function using Newton’s method. Here is how I implemented it.

package main

import (
       "fmt"
       "math"
)

func Sqrt(x float64) float64 {
       var z float64=1
       for i:=1;i<=10;i++{
              z =(z-(math.Pow(z,2)-x)/(2*z))
       }
       return z
}

func main() {
       fmt.Println(Sqrt(64))
}