diff --git a/EInAPI.h b/EInAPI.h
index bd59232..0dd5a04 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -252,6 +252,8 @@ EIN_EXPORT int  __stdcall EgtCreateArcC2PEx( int nParentId, const double ptCen[3
                                              const double ptNearEnd[3], int nRefType) ;
 EIN_EXPORT int  __stdcall EgtCreateArc3P( int nParentId, const double ptP1[3],
                                           const double ptP2[3], const double ptP3[3], int nRefType) ;
+EIN_EXPORT int  __stdcall EgtCreateArc2PR( int nParentId, const double ptStart[3], const double ptEnd[3],
+                                           double dRad, BOOL bCCW, int nRefType) ;
 EIN_EXPORT int  __stdcall EgtCreateArc2PD( int nParentId, const double ptStart[3], const double ptEnd[3],
                                            double dDirSDeg, int nRefType) ;
 EIN_EXPORT int  __stdcall EgtCreateArc2PDEx( int nParentId, const double ptStart[3],
diff --git a/EXeExecutor.h b/EXeExecutor.h
index bfe7c8e..af177ad 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -275,6 +275,8 @@ EXE_EXPORT int  ExeCreateArcC2PEx( int nParentId, const Point3d& ptCen,
                                    const Point3d& ptNearEnd, int nRefType) ;
 EXE_EXPORT int  ExeCreateArc3P( int nParentId, const Point3d& ptP1,
                                 const Point3d& ptP2, const Point3d& ptP3, int nRefType) ;
+EXE_EXPORT int  ExeCreateArc2PR( int nParentId, const Point3d& ptStart, const Point3d& ptEnd,
+                                 double dRad, bool bCCW, int nRefType) ;
 EXE_EXPORT int  ExeCreateArc2PB( int nParentId, const Point3d& ptStart, const Point3d& ptEnd,
                                  double dBulge, int nRefType) ;
 EXE_EXPORT int  ExeCreateArc2PD( int nParentId, const Point3d& ptStart, const Point3d& ptEnd,