diff --git a/02-Squares.go b/02-Squares.go
index 0d4f36b..a50d5c9 100644
--- a/02-Squares.go
+++ b/02-Squares.go
@@ -7,5 +7,5 @@ func sumOfSquares(a, b int)  int {
 }
 
 func main() {
-	fmt.Println(sumOfSquares(3, 2))
+	fmt.Println(sumOfSquares(2, 2))
 }
diff --git a/03-formating.go b/03-formating.go
new file mode 100644
index 0000000..53263fa
--- /dev/null
+++ b/03-formating.go
@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Printf("%.2f\n", 1.0/3)
+}