diff --git a/EInAPI.h b/EInAPI.h
index dee0897..a7b8c23 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -898,6 +898,10 @@ EIN_EXPORT BOOL __stdcall EgtGetAllHeadsNames( wchar_t*& wsNames) ;
 EIN_EXPORT BOOL __stdcall EgtGetAllTablesNames( wchar_t*& wsNames) ;
 // Machine Calc
 EIN_EXPORT BOOL __stdcall EgtSetCalcTool( const wchar_t* wsTool, const wchar_t* wsHead, int nExit) ;
+EIN_EXPORT BOOL __stdcall EgtGetCalcAngles( const double vtDirT[3], const double vtDirA[3],
+                                            int* pnStat, double* pdAngA1, double* pdAngB1, double* pdAngA2, double* pdAngB2) ;
+EIN_EXPORT BOOL __stdcall EgtGetCalcPositions( const double ptP[3], double dAngA, double dAngB,
+                                               int* pnStat, double* pdX, double* pdY, double* pdZ) ;
 EIN_EXPORT BOOL __stdcall EgtGetCalcTipFromPositions( double dX, double dY, double dZ, double dAngA, double dAngB,
                                                       BOOL bBottom, double ptTip[3]) ;
 EIN_EXPORT BOOL __stdcall EgtGetCalcToolDirFromAngles( double dAngA, double dAngB, double vtDir[3]) ;