diff --git a/src/ca/bcit/comp1510/assignment2/q4/Exponential.java b/src/ca/bcit/comp1510/assignment2/q4/Exponential.java
index 42607d3..1b80fce 100644
--- a/src/ca/bcit/comp1510/assignment2/q4/Exponential.java
+++ b/src/ca/bcit/comp1510/assignment2/q4/Exponential.java
@@ -5,18 +5,41 @@ package ca.bcit.comp1510.assignment2.q4;
  * don't have to write an essay but you should describe exactly what it does.
  * Describing it will help you to understand the programming problem better.</p>
  *
- * @author Your Name goes here
- * @version 1.0
+ * @author Braeden Sowinski
+ * @version 1.0.0
  */
 public class Exponential {
+
+    /** 
+     * exp calculates stuff. 
+     * @param x double
+     * @return double
+     * */
+    public static double exp(double x) {        
+        double r = 1.0;
+        double t = 1.0;
         
+        final double m = 1e-10;
+        
+        for (int k = 1; Math.abs(t) > m; k++) {
+            t *= (x / k);
+            r += t;
+        }
+        
+        return r;
+    }
+    
     /**
      * Describe what the main method does here.
      * 
      * @param args command line arguments
      */
     public static void main(String[] args) {
-        //replace next line with your code:
-        System.out.println("Question four was called and ran sucessfully.");
+        final double min = -10.0;
+        final double max = 10.0;
+        for (double i = min; i <= max; i++) {
+            double x = exp(i);
+            System.out.println("x = " + i + " e^x = " + x);
+        }
     }
 }