diff --git a/shell.start b/shell.start
index 4aa8522b9..861c45a93 100644
--- a/shell.start
+++ b/shell.start
@@ -7,6 +7,7 @@ import static arb.expressions.Expression.*;
 import static arb.functions.real.RealFunction.*;
 import static arb.RoundingMode.*;
 import static arb.RealConstants.*;
+import arb.MagnitudeConstants;
 import arb.expressions.Expression;
 import arb.functions.*;
 import arb.RealConstants;
diff --git a/src/test/java/arb/RealTest.java b/src/test/java/arb/RealTest.java
index 08eda2b96..85e1b74fe 100755
--- a/src/test/java/arb/RealTest.java
+++ b/src/test/java/arb/RealTest.java
@@ -8,7 +8,28 @@
 public class RealTest extends
                       TestCase
 {
- 
+  public void testRisingFactorialLong()
+  {
+    try ( Real real = new Real("6.9",
+                               128))
+    {
+      Real y = real.risingFactorial(3, 128, new Real());
+      assertEquals(485.139, y.doubleValue());
+    }
+  }
+
+  public void testRisingFactorialReal()
+  {
+    try ( Real real = new Real("6.9",
+                               128);
+          Real three = new Real("3",
+                                128);)
+    {
+      Real y = real.risingFactorial(three, 128, new Real());
+      assertEquals(485.139, y.doubleValue());
+    }
+  }
+
   public void testAddOneAndOne()
   {
     try ( Real real = new Real();)
@@ -40,7 +61,6 @@ public void testShift()
       Real shifted = realInstance.shift(5);
       assertEquals(5, shifted.size());
 
-
     }
   }