diff --git a/pykd/dbgengine.cpp b/pykd/dbgengine.cpp
index 5478275..6a70e41 100644
--- a/pykd/dbgengine.cpp
+++ b/pykd/dbgengine.cpp
@@ -107,6 +107,32 @@ void loadDump( const std::wstring &fileName )
 
 ///////////////////////////////////////////////////////////////////////////////
 
+std::wstring debugCommand( const std::wstring &command )
+{
+    PyThreadState*    state = PyEval_SaveThread();
+
+    std::wstring outstr = kdlib::debugCommand(command);
+
+    PyEval_RestoreThread( state );
+
+    return outstr;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+unsigned long long evaluate( const std::wstring  &expression )
+{
+    PyThreadState*    state = PyEval_SaveThread();
+
+    unsigned long long result = kdlib::evaluate(expression);
+
+    PyEval_RestoreThread( state );
+
+    return result;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
 python::tuple getSourceLine( kdlib::MEMOFFSET_64 offset )
 {
     std::wstring  fileName;
diff --git a/pykd/dbgengine.h b/pykd/dbgengine.h
index 5866d3a..4ff2ae7 100644
--- a/pykd/dbgengine.h
+++ b/pykd/dbgengine.h
@@ -18,6 +18,9 @@ kdlib::PROCESS_DEBUG_ID startProcess( const std::wstring  &processName );
 kdlib::PROCESS_DEBUG_ID attachProcess( kdlib::PROCESS_ID pid );
 void loadDump( const std::wstring &fileName );
 
+std::wstring debugCommand( const std::wstring &command );
+unsigned long long evaluate( const std::wstring  &expression );
+
 python::tuple getSourceLine( kdlib::MEMOFFSET_64 offset = 0 );
 
 python::tuple findSymbolAndDisp( ULONG64 offset );
diff --git a/pykd/pymod.cpp b/pykd/pymod.cpp
index 36fa2ed..c69c5bc 100644
--- a/pykd/pymod.cpp
+++ b/pykd/pymod.cpp
@@ -104,10 +104,10 @@ BOOST_PYTHON_MODULE( pykd )
 
     python::def( "breakin", &targetBreak,
         "Break into debugger" );
-    //python::def( "expr", &evaluate,
-    //    "Evaluate windbg expression" );
-    //python::def( "dbgCommand", &debugCommand,
-    //    "Run a debugger's command and return it's result as a string" );
+    python::def( "expr", &evaluate,
+        "Evaluate windbg expression" );
+    python::def( "dbgCommand", &debugCommand,
+        "Run a debugger's command and return it's result as a string" );
     python::def( "go", &targetGo,
         "Go debugging"  );
     python::def( "step", &targetStep,