update: foundations

x-tba/foundations/volume-of-a-sphere/main.go

@@ -0,0 +1,25 @@
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import (
+	"fmt"
+	"math"
+	"os"
+	"strconv"
+)
+
+func main() {
+	var radius, vol float64
+
+	radius, _ = strconv.ParseFloat(os.Args[1], 64)
+
+	vol = (4 * math.Pi * math.Pow(radius, 3)) / 3
+
+	fmt.Printf("radius: %g -> volume: %.2f\n", radius, vol)
+}