diff --git a/src/main/java/com/vectron/fcl/Fcl.java b/src/main/java/com/vectron/fcl/Fcl.java
index 5142745..028ffb4 100644
--- a/src/main/java/com/vectron/fcl/Fcl.java
+++ b/src/main/java/com/vectron/fcl/Fcl.java
@@ -368,6 +368,7 @@ public class Fcl {
         addPrimitive("var:", () -> { String name = word(); dict.add(new Var(dp, name)); dp++; });
         addPrimitive("val:", () -> { String name = word(); dict.add(new Val(name, stack.pop())); });
         addPrimitive("abort", () -> { throw new Aborted(stack.pop().asStr().value()); });
+        addPrimitive("eval", () -> eval(stack.pop().asStr().value()));
         addPrimitive("words", () -> {
             List<String> words = new ArrayList(wordList());
             Collections.sort(words);
diff --git a/src/test/java/com/vectron/fcl/FclTest.java b/src/test/java/com/vectron/fcl/FclTest.java
index 35680d6..352910c 100644
--- a/src/test/java/com/vectron/fcl/FclTest.java
+++ b/src/test/java/com/vectron/fcl/FclTest.java
@@ -1133,6 +1133,12 @@ public class FclTest {
         assertEquals("#[  ]#", evalPop("12 hist").toString());
     }
 
+    @Test
+    public void testEval() {
+        assertEquals(3, evalPop(" '1 2 +' eval").intValue());
+        assertEquals(42, evalPop(" ': tst 42 ; tst' eval").intValue());
+    }
+
     private String transcript() {
         return transcript.content();
     }