diff -r f6073056b9fe -r a7e6f84fb078 task2/solution13/src/org/apidesign/apifest08/currency/ConvertorCurrency.java
--- a/task2/solution13/src/org/apidesign/apifest08/currency/ConvertorCurrency.java	Wed Oct 01 10:43:05 2008 +0200
+++ b/task2/solution13/src/org/apidesign/apifest08/currency/ConvertorCurrency.java	Tue Oct 07 01:18:23 2008 +0200
@@ -40,7 +40,24 @@
     }
 
     @Override
+    public boolean equals(Object obj) {
+        boolean result;
+        if (obj instanceof ConvertorCurrency) {
+            ConvertorCurrency that = (ConvertorCurrency) obj;
+            result = currency.equals(that.currency);
+        } else {
+            result = false;
+        }
+        return result;
+    }
+    
+
+    @Override
     public String toString() {
-        return getClass() + " based on " + (currency != null ? currency.toString() : "NO-BASE-CURRENCY");
+        return  "ConvertorCurrency[" + (currency != null ? currency.toString() : "NO-BASE-CURRENCY")+"]";
+    }
+    
+    String getCurrencyCode() {
+        return currency.getCurrencyCode();
     }
 }