first commit

src/Complex.java

@@ -2,6 +2,7 @@ public class Complex {
 
   public double real;
   public double imag;
+  public double r, i;
 
   public Complex()
   {
@@ -26,20 +27,54 @@ public class Complex {
   { 
     return real;
   }
-
+////////////////////////////
   public double magnitude()
   {
-    return 1.0;
+
+    double r2 = Math.pow(real, 2);
+    double i2 = Math.pow(imag, 2);
+
+    double ri = r2 + i2;
+
+    double risqrt = Math.sqrt(ri);
+
+    return risqrt;
   }
 
   public double argument()
   {
-    return 1.0;
+
+    double arg_tan = Math.atan2(imag,real);
+
+
+    return arg_tan;
   }
 
   public String toString()
   {
-    return "";
+    String words;
+    if (imag == 0){
+
+      words = Double.toString(real);
+      
+    }
+
+    else if (real == 0){
+
+      words = ("j"+imag);
+      
+    }
+    else if (imag<0){
+      imag = 0-imag;
+      words = (real+" - j"+imag);
+      
+    }
+    else{
+      words = (real+" + j"+imag);
+    }
+    
+
+    return words;
   }
 
   public Complex add(Complex complexNum)