diff --git a/index.js b/index.js
index e69de29..89ae910 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,33 @@
+var a = 5
+var b = 10
+function add(a,b){
+   return a + b;
+ }
+ add()
+ function subtract(a,b){
+   return a - b;
+ }
+ subtract()
+ function multiply(a,b){
+   return a * b;
+ }
+ multiply()
+ function divide(a,b){
+   return a / b;
+ }
+ divide()
+ function inc(n){
+   return n += 1;
+ }
+ inc()
+ function dec(n){
+   return n -= 1;
+ }
+ dec()
+ function makeInt(n){
+   return parseInt(n, 10);
+ }
+ preserveDecimal()
+ function preserveDecimal(n){
+   return parseFloat(n);
+ }