diff --git a/assets/js/numbers.js b/assets/js/numbers.js
index 5a925a6..d673135 100644
--- a/assets/js/numbers.js
+++ b/assets/js/numbers.js
@@ -1,3 +1,65 @@
-function compute(expression) {
-    // TODO - write method definition here
+function compute(expression){
+console.log(expression);
+let sum = additionTest1(expression.split("+"));
+return sum;
+let subtract = subtractionTest(expression.split("-"));
+return subtract;
+let multiply = multiplicationTest(expression.split("*"));
+return multiply;
+let divide = divisionTest(expression.split("/"));
+return divide;
+let result1 = additionAndSubtractionTest(expression);
+return result1;
+
+}
+
+
+function additionTest1(expressionArray){
+    let sum = 0;
+    for(let i = 0; i<expressionArray.length; i++){
+        sum +=parseFloat(expressionArray[i],10)
+    }
+    return sum;
+}
+
+function subtractionTest(expressionArray){
+    let subtract = 0;
+    for(let j=0; j<expressionArray.length; j++){
+        subtract-=parseFloat(expressionArray[j])
+    }
+return subtract;
+}
+
+function multiplicationTest(expressionArray){
+    let multiply = 0;
+    for(let k=0; k<expressionArray.length; k++){
+        multiply-=parseFloat(expressionArray[k])
+    }
+return multiply;
+}
+
+function divisionTest(expressionArray){
+    let divide = 0;
+    for(let l=0; l<expressionArray.length; l++){
+        subtract-=parseFloat(expressionArray[l])
+    }
+return divide;
+}
+
+//Not Sure if this works
+function additionAndSubtractionTest(expressionArray){
+    var result1 = 0;
+    let m=0;
+    while(m < expressionArray.length-1){
+        if(currValue == "+" || currValue == "-") {
+        let operand1 = parseFloat(expressionArray[m-1]);
+        let operand2 = parseFloat(expressionArray[m+1]);
+        if(expressionArray[m] == "-"){
+          result1 = operand1 - operand2;}
+        else 
+          result1 = operand1 + operand2;
+}
+else m++;
+    }    
+return result1;
 }
\ No newline at end of file