diff --git a/assets/js/numbers.js b/assets/js/numbers.js
index 5a925a6..65bbe6c 100644
--- a/assets/js/numbers.js
+++ b/assets/js/numbers.js
@@ -1,3 +1,107 @@
-function compute(expression) {
+function compute(expression) {  
     // TODO - write method definition here
-}
\ No newline at end of file
+    var total=0;
+    var newArray=[];
+    var number1=0;
+    var number2=0;
+
+     // this function seperates the expression into arrays
+    
+     function formatArray(expression)  
+     newArray(x)
+
+function formatArray(ex)    //creates a new array and pops new numbers into it
+{
+var number;
+var arr=ex.split("");
+var counter=1;
+
+for(var i=0;i<arr.length;i++)
+{
+      if(testNumber(arr[i]==true))
+      {
+             number+=arr[i]
+             counter++
+
+      }
+      else{
+             number=parseInt(number)
+             newArray.push(number);
+             if(counter>arr.length)
+             {
+              newArray.push(arr[i]);
+             }        
+             arr.splice(i,counter)
+      }
+      
+}
+
+
+}
+function testNumber(x)      //test whole numbers
+{
+       var i=true;
+       if(i==/\d/.test(x)) //test for whole number using regex
+       {
+           return i;
+       }
+       else{
+           return false
+       }
+}
+
+newArray(x)
+{
+       
+
+       for(var i=0;i<x.length;i++)
+       {
+              if(x[i]=="+")
+              {
+                     var place=0;
+                     number1=parseInt(x[i-1])
+                     number2=parseInt(x[i+1])
+                 total= number1+number2
+                 place=--i
+                 x.splice(place,3)
+                 x.splice(place,0,total);
+              }
+              else if(arr[i]=="-")
+              {
+                     var place=0;
+                     number1=parseInt(x[i-1])
+                     number2=parseInt(x[i+1])
+                 total= number1-number2
+                 place=--i
+                 x.splice(place,3)
+                 x.splice(place,0,total);
+             
+                }
+       }
+       
+       return total;
+}
+
+}
+
+
+// function testArray(x)
+// {
+//        switch(x){
+//               case "*":
+
+//                      break;
+
+//               case"/":
+//                      break;
+
+//               case "+":
+//                      break;
+       
+//               case "-":
+//                      break;
+
+//               default:
+//                      break;
+//        }
+// }
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