diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index d1a1468..03c4b9b 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -762,6 +762,13 @@ __stdcall EgtSetMachiningParamInt( int nType, int nVal)
    return ( ExeSetMachiningParam( nType, nVal) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetMachiningParamDouble( int nType, double dVal)
+{
+   return ( ExeSetMachiningParam( nType, dVal) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtPreviewMachining( BOOL bRecalc)
@@ -778,6 +785,15 @@ __stdcall EgtGetMachiningParamInt( int nType, int* pnVal)
    return ( ExeGetMachiningParam( nType, *pnVal) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtGetMachiningParamDouble( int nType, double* pdVal)
+{
+   if ( pdVal == nullptr)
+      return FALSE ;
+   return ( ExeGetMachiningParam( nType, *pdVal) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtIsMachiningNotEmpty( void)