diff --git a/assets/js/numbers.js b/assets/js/numbers.js
index 5a925a6..07cc70f 100644
--- a/assets/js/numbers.js
+++ b/assets/js/numbers.js
@@ -1,3 +1,107 @@
 function compute(expression) {
     // TODO - write method definition here
-}
\ No newline at end of file
+    
+     // return parseInt(expression) + parseInt(expression);
+        var num1, num2, num3;
+        var result; 
+
+
+    //This code passes the test but not very efficient..........
+    //  for (i=0; i < expression.length; i++) {
+    //      if(expression.length <=3 &&  expression[1] === "-"){
+    //           num1 = parseInt(expression[0]);
+    //           num2 = parseInt (expression[2]);
+    //         return num1 - num2; 
+    //      } else if (expression.length <=5 && expression[1] === "-" && expression[3] === "-"){
+    //          num1 = parseInt(expression[0]);
+    //          num2 = parseInt(expression[2]);
+    //          num3 = parseInt(expression[4]);
+    //         return num1 - num2 - num3;
+    //      }
+    //   }
+       
+    // This code passes the first arguement in the tests...
+
+    for (i=0; i < expression.length; ){
+        num1 = parseInt(expression[i]);
+        for (j=1; j < expression.length; ){
+
+            switch(expression[j]){
+                case "+":
+                   result = parseInt (expression[i]) + parseInt(expression[j+1]);
+                    break;
+                case "-":
+                    result = parseInt (expression[i]) - parseInt(expression[j+1]);
+                    break;
+                case "*":
+                    result = parseInt (expression[i]) * parseInt(expression[j+1]);
+                    break;
+                case "/":
+                    result = parseInt (expression[i]) / parseInt(expression[j+1]);
+                    break;
+                default:
+                    console.log("Inalid operand");
+                    break;
+                    
+            }
+           j = j+ 2;
+        }
+        i= i+ 2;
+        
+    }
+    return result;
+}
+
+
+
+
+// The actual functions written out separately but can not pass the test.
+// function addition() {
+//     var num1, num2;
+//     return num1 + num2;
+// }
+
+// function subtraction(){
+//     var num1, num2;
+//     return num1 - num2;
+// }
+
+// function multiplication(){
+//     var num1, num2;
+//     return num1 * num2;
+// }
+
+// function division(){
+//     var num1, num2;
+//     return num1 / num2;
+// }
+
+// function additionAndSubtraction(){
+//     var num1, num2, num3;
+//     return num1 + num2 - num3;
+// }
+
+// function additionAndMultiplication(){
+//     var num1, num2, num3;
+//     return (num1 + num2) * num3;
+// }
+
+// function subtractionAndMultiplication(){
+//     var num1, num2, num3;
+//     return (num1 - num2) * num3;
+// }
+
+// function subtractionAndDivision(){
+//     var num1, num2, num3;
+//     return (num1 - num2) / num3;
+// }
+
+// function additionAndDivision(){
+//     var num1, num2, num3;
+//     return (num1 + num2) / num3;
+// }
+
+// function allOperator(){
+//     var num1, num2, num3, num4, num5;
+//     return (num1 + num2) - num3 * num4 / num5;
+// }
\ No newline at end of file