diff --git a/AirthmaticOperators.js b/AirthmaticOperators.js
new file mode 100644
index 0000000..c6d5633
--- /dev/null
+++ b/AirthmaticOperators.js
@@ -0,0 +1,10 @@
+let x=5;
+let y=4;
+let sum=x+y;
+let product=x*y;
+let division=x/y;
+let subs=x-y;
+console.log("Sum is =",sum);
+console.log("Substraction is =",subs);
+console.log("Multiplication is =",product);
+console.log("Division is =",division);
\ No newline at end of file
diff --git a/HalfPyramid.js b/HalfPyramid.js
new file mode 100644
index 0000000..6db6f6e
--- /dev/null
+++ b/HalfPyramid.js
@@ -0,0 +1,14 @@
+function createHalfPyramid (height) {
+
+  for (var i = 1; i <= height; i++) {
+    var row = '';
+
+    for (var j = 1; j <= i; j++) {
+      row += '*';
+    }
+
+    console.log(row);
+  }
+}
+
+createHalfPyramid(5);
\ No newline at end of file
diff --git a/HelloWorld.js b/HelloWorld.js
new file mode 100644
index 0000000..ae9e3a9
--- /dev/null
+++ b/HelloWorld.js
@@ -0,0 +1 @@
+console.log("Hello, World!");
\ No newline at end of file