diff --git a/EMkMachMgr.h b/EMkMachMgr.h
index bb0963e..4f69595 100644
--- a/EMkMachMgr.h
+++ b/EMkMachMgr.h
@@ -307,13 +307,15 @@ class __declspec( novtable) IMachMgr
      // Machine Calc
       virtual bool SetCalcTable( const std::string& sTable) = 0 ;
       virtual bool SetCalcTool( const std::string& sTool, const std::string& sHead, int nExit) = 0 ;
-      virtual bool GetAllCurrAxesNames( STRVECTOR& vAxName) const = 0 ;
+      virtual bool SetCalcSolCh( int nScc, bool bExact) = 0 ;
       virtual bool SetRotAxisBlock( const std::string& sAxis, double dVal) = 0 ;
-      virtual bool GetRotAxisBlocked( int nInd, std::string& sAxis, double& dVal) const = 0 ;
       virtual bool GetCalcTable( std::string& sTable) const = 0 ;
       virtual bool GetCalcTool( std::string& sTool) const = 0 ;
       virtual bool GetCalcHead( std::string& sHead) const = 0 ;
       virtual bool GetCalcExit( int& nExit) const = 0 ;
+      virtual bool GetCalcSolCh( int& nScc, bool& bExact) const = 0 ;
+      virtual bool GetAllCurrAxesNames( STRVECTOR& vAxName) const = 0 ;
+      virtual bool GetRotAxisBlocked( int nInd, std::string& sAxis, double& dVal) const = 0 ;
       virtual bool GetCalcAngles( const Vector3d& vtDirT, const Vector3d& vtDirA,
                                   int& nStat, double& dAngA1, double& dAngB1, double& dAngA2, double& dAngB2) const = 0 ;
       virtual bool GetCalcAngles( const Vector3d& vtDirT, const Vector3d& vtDirA,
diff --git a/EXeExecutor.h b/EXeExecutor.h
index d29477d..69d0630 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -1331,9 +1331,11 @@ EXE_EXPORT bool ExeGetAllTcPosNames( STRVECTOR& vNames) ;
 // Machine Calc
 EXE_EXPORT bool ExeSetCalcTable( const std::string& sTable) ;
 EXE_EXPORT bool ExeSetCalcTool( const std::string& sTool, const std::string& sHead, int nExit) ;
+EXE_EXPORT bool ExeSetCalcSolCh( int nScc, bool bExact) ;
 EXE_EXPORT bool ExeSetRotAxisBlock( const std::string& sAxis, double dVal) ;
 EXE_EXPORT bool ExeGetCalcTable( std::string& sTable) ;
 EXE_EXPORT bool ExeGetCalcTool( std::string& sTool, std::string& sHead, int& nExit) ;
+EXE_EXPORT bool ExeGetCalcSolCh( int& nScc, bool& bExact) ;
 EXE_EXPORT bool ExeGetAllCurrAxesNames( STRVECTOR& vAxName) ;
 EXE_EXPORT bool ExeGetRotAxisBlocked( int nInd, std::string& sAxis, double& dVal) ;
 EXE_EXPORT bool ExeGetCalcAngles( const Vector3d& vtDirT, const Vector3d& vtDirA,