diff --git a/unit1/exercises/e1/main.go b/unit1/exercises/e1/main.go
new file mode 100644
index 0000000..a80786f
--- /dev/null
+++ b/unit1/exercises/e1/main.go
@@ -0,0 +1,13 @@
+package main
+
+import (
+	"fmt"
+)
+
+func Sqrt(x float64) float64 {
+}
+
+func main() {
+	fmt.Println(Sqrt(2))
+}
+