1 files changed, 7 insertions, 0 deletions
diff --git a/lua/3.lua b/lua/3.lua
new file mode 100755
index 0000000..2106d37
--- /dev/null
+++ b/lua/3.lua
@@ -0,0 +1,7 @@
+function norm (x,y)
+    return math.sqrt(x^2+y^2);
+end
+
+function twice(x)
+    return 2.0 * x;
+end