Exercise 1

src/Complex.java

@@ -29,22 +29,37 @@ public class Complex {
 
   public double magnitude()
   {
-    return 1.0;
+    return Math.sqrt(real * real + imag * imag);
   }
 
   public double argument()
   {
-    return 1.0;
+    return Math.atan2(imag, real);
   }
 
   public String toString()
   {
-    return "";
+    if (real == 0.0)
+    {
+      return "j" + imag;
+    }
+    if (imag == 0.0)
+    {
+      return real + "";
+    }
+    if (imag < 0.0)
+    {
+      return real + " - j" + imag *-1;
+    }
+    else
+    {
+      return real + " + j" + imag;
+    }
   }
 
   public Complex add(Complex complexNum)
   {
-    Complex answer = new Complex(0.0,0.0);
+    Complex answer = new Complex((real + complexNum.real),(imag + complexNum.imag));
 
     return answer;
   }