diff --git a/index.html b/index.html
index a494ee6..68853b4 100644
--- a/index.html
+++ b/index.html
@@ -1,7 +1,9 @@
-
+
+
+
diff --git a/scripts/caculate.js b/scripts/caculate.js
new file mode 100644
index 0000000..a8e26db
--- /dev/null
+++ b/scripts/caculate.js
@@ -0,0 +1,54 @@
+const num1=9;
+const num2=3;
+
+function add(x, y) {
+ var z;
+ z = x + y;
+ return z;
+}
+
+function subtract(x, y){
+ var z;
+ z = x - y;
+ return z;
+}
+
+function multipy(x, y){
+ var z;
+ z = x * y;
+ return z;
+}
+
+function divide(x, y){
+ var z;
+ z = x / y;
+ return z;
+}
+
+var valueAdd = add (num1, num2);
+console.log("The add result is " + valueAdd);
+
+var valueSub = subtract (num1, num2);
+console.log("The subtract result is " + valueSub);
+
+var valueMult = multipy (num1, num2);
+console.log("The multipy result is " + valueMult);
+
+var valueDiv = divide (num1, num2);
+console.log("The divide result is " + valueDiv);
+
+if(valueSub > valueDiv){
+ console.log("Subtract Larger");
+} else if (valueSub < valueDiv) {
+ console.log("Subtract Smaller");
+} else if (vvalueSub == valueDiv) {
+ console.log("Subtract Same");
+}
+
+if(valueDiv > valueSub){
+ console.log("Divide Larger");
+} else if (valueDiv < valueSub) {
+ console.log("Divide Smaller");
+} else if (valueDiv == valueSub) {
+ console.log("Divide Same");
+}
\ No newline at end of file
diff --git a/scripts/index.js b/scripts/index.js
new file mode 100644
index 0000000..e69de29