Initial commit

08-numbers-and-strings/01-numbers/05-assignment-operations/main.go

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+// 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"
+)
+
+func main() {
+	width, height := 5., 12.
+
+	// calculates the area of a rectangle
+	area := width * height
+	fmt.Printf("%gx%g=%g\n", width, height, area)
+
+	area = area - 10 // decreases area by 10
+	area = area + 10 // increases area by 10
+	area = area * 2  // doubles the area
+	area = area / 2  // divides the area by 2
+	fmt.Printf("area=%g\n", area)
+
+	// // ASSIGNMENT OPERATIONS
+	area -= 10 // decreases area by 10
+	area += 10 // increases area by 10
+	area *= 2  // doubles the area
+	area /= 2  // divides the area by 2
+	fmt.Printf("area=%g\n", area)
+
+	// finds the remainder of area variable
+	// since: area is float, this won't work:
+	// area %= 7
+
+	// this works
+	area = float64(int(area) % 7)
+	fmt.Printf("area=%g\n", area)
+}