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diff --git a/src/examples/xb_ex_expression.cpp b/src/examples/xb_ex_expression.cpp
deleted file mode 100755
index 840e9c6..0000000
--- a/src/examples/xb_ex_expression.cpp
+++ /dev/null
@@ -1,232 +0,0 @@
-/*  xb_ex_expression.cpp
-
-XBase64 Software Library
-
-Copyright (c) 1997,2003,2014,2022 Gary A Kunkel
-
-The xb64 software library is covered under 
-the terms of the GPL Version 3, 2007 license.
-
-Email Contact:
-
-    xb64-devel@lists.sourceforge.net
-    xb64-users@lists.sourceforge.net
-
-
-   This example program demonstrates expression usage
-
-*/
-
-
-#include <xbase.h>
-
-using namespace xb;
-
-
-
-  xbSchema MyV4Record[] = 
-  {
-    { "CFLD1",  XB_CHAR_FLD,    20, 0 },
-    { "CFLD2",  XB_CHAR_FLD,    10, 0 },
-    { "NFLD1",  XB_NUMERIC_FLD,  5, 0 },
-    { "DATE1",  XB_DATE_FLD,     8, 0 },
-    { "",0,0,0 }
-  };
-
-//*********************************************************************************************************************************
-void PrintResult( xbString *sExpression, xbExp *exp );
-void PrintResult( xbString *sExpression, xbExp *exp ){
-
-    // Determine the expression return type
-    char cExpType = exp->GetReturnType();
-
-    // Process the expression results, dependent on return type
-    if( cExpType == XB_EXP_NUMERIC ){
-      xbDouble dResult;
-      exp->GetNumericResult( dResult );
-      std::cout << "Numeric result from expression [" << sExpression->Str() << "] is [" << dResult << "]" << std::endl;
-
-    } else if( cExpType == XB_EXP_DATE ){
-      xbDate dt;
-      exp->GetDateResult( dt );
-      std::cout << "Date result from expression [" << sExpression->Str() << "] is [" << dt.Str() << "]" << std::endl;
-
-    } else if( cExpType == XB_EXP_LOGICAL ){
-      xbBool bResult;
-      exp->GetBoolResult( bResult );
-      std::cout << "Bool result from expression [" << sExpression->Str() << "] is [" << (bResult ? " True" : "False") << "]" << std::endl;
-
-    } else if( cExpType == XB_EXP_CHAR ){
-      xbString sResult;
-      exp->GetStringResult( sResult );
-      std::cout << "Char result from expression [" << sExpression->Str() << "] is [" << sResult.Str() << "]" << std::endl;
-    }
-
-}
-
-//*********************************************************************************************************************************
-//int main( int ac, char ** av ){
-
-int main(){
-
-  xbInt16 iRc        = 0;
-  xbInt16 iErrorStop = 0;
-  xbIx    *pIx       = NULL;
-  void    *pTag      = NULL;
-
-  xbXBase x;
-  xbDbf *MyFile = new xbDbf4( &x );
-
-  try{ 
-
-    if(( iRc = MyFile->CreateTable( "EXPEXAMPL.DBF", "TestMdxX2", MyV4Record, XB_OVERLAY, XB_MULTI_USER )) != XB_NO_ERROR ){
-      iErrorStop = 100;
-      throw iRc;
-    }
-    /*
-     CreateTag( const xbString &sIxType, const xbString &sName, const xbString &sKey, const xbString &sFilter, 
-             xbInt16 iDescending, xbInt16 iUnique, xbInt16 iOverLay, xbIx **xbIxOut, void **vpTagOut );
-    */
-
-    // the following index definition has two expressions   
-    //  1) CFLD1+CFLD2      -- concat two char fields into an index key
-    //  2) .NOT. DELETED()  -- don't include any deleted records in the index
-    if(( iRc = MyFile->CreateTag( "MDX", "TAG1",  "CFLD1+CFLD2", ".NOT. DELETED()", 0, 0, XB_OVERLAY, &pIx, &pTag )) != XB_NO_ERROR ){
-      iErrorStop = 110;
-      throw iRc;
-    }
-
-    // add a record to the table
-    if(( iRc = MyFile->BlankRecord()) != XB_NO_ERROR ){
-      iErrorStop = 120;
-      throw iRc;
-    }
-
-    if(( iRc = MyFile->PutField( "CFLD1", "Some text" )) != XB_NO_ERROR ){
-      iErrorStop = 130;
-      throw iRc;
-    }
-
-    if(( iRc = MyFile->PutField( "CFLD2", "Other text" )) != XB_NO_ERROR ){
-      iErrorStop = 140;
-      throw iRc;
-    }
-
-    if(( iRc = MyFile->PutLongField( "NFLD1", 1000 )) != XB_NO_ERROR ){
-      iErrorStop = 150;
-      throw iRc;
-    }
-
-    xbDate dt;
-    dt.Set( "19890209" );
-    if(( iRc = MyFile->PutDateField( "DATE1", dt )) != XB_NO_ERROR ){
-      iErrorStop = 160;
-      throw iRc;
-    }
-
-    if(( iRc = MyFile->AppendRecord()) != XB_NO_ERROR ){
-      iErrorStop = 170;
-      throw iRc;
-    }
-
-    if(( iRc = MyFile->Commit()) != XB_NO_ERROR ){
-      iErrorStop = 180;
-      throw iRc;
-    }
-
-
-    // To use the XBase64 expression processing logic
-    //  1)  Parse an expression with the xbExp::ParseExpression() method
-    //  2)  Process the parsed expression with the xbExp::ProcessExpression() method
-    //  3)  If needed, determine the expression return type with the xbExp::GetReturnType() method
-    //  4)  Use the appriate methid to retrieve the expression value:
-    //           xbExp::GetNumericResult()
-    //           xbExp::GetDateResult()
-    //           xbExp::GetLogicalResult()
-    //           xbExp::GetStringResult()
-
-
-    //  The expression only needs to be parsed once.  The ProcessExpression() method can be used
-    //  zero, one or many times after it is initially parsed.
-
-    // see docs/html/xbc5.html for expression documentation
-    // see example below
-
-
-    // Numeric expression example
-    xbString sExpression = "NFLD1 * (2 + RECNO())";
-    xbExp exp( &x );
-    // Parse the expression
-    if(( iRc = exp.ParseExpression( MyFile, sExpression )) != XB_NO_ERROR ){
-      iErrorStop = 190;
-      throw iRc;
-    }
-    // Process the parsed expression
-    if(( iRc = exp.ProcessExpression()) != XB_NO_ERROR ){
-      iErrorStop = 200;
-      return -1;
-    }
-    PrintResult( &sExpression, &exp );
-
-
-    // String expression example
-    sExpression = "CFLD1+CFLD2+'{'+DTOS(DATE1)+'}'";
-    xbExp exp2( &x );
-    if(( iRc = exp2.ParseExpression( MyFile, sExpression )) != XB_NO_ERROR ){
-      iErrorStop = 210;
-      throw iRc;
-    }
-    // Process the parsed expression
-    if(( iRc = exp2.ProcessExpression()) != XB_NO_ERROR ){
-      iErrorStop = 220;
-      return -1;
-    }
-    PrintResult( &sExpression, &exp2 );
-
-    // Date example
-    sExpression = "DATE() + 6";
-    xbExp exp3( &x );
-    if(( iRc = exp3.ParseExpression( MyFile, sExpression )) != XB_NO_ERROR ){
-      iErrorStop = 230;
-      throw iRc;
-    }
-    // Process the parsed expression
-    if(( iRc = exp3.ProcessExpression()) != XB_NO_ERROR ){
-      iErrorStop = 240;
-      return -1;
-    }
-    PrintResult( &sExpression, &exp3 );
-
-    // Logic example
-    sExpression = "NFLD1 = 5";
-    xbExp exp4( &x );
-    if(( iRc = exp4.ParseExpression( MyFile, sExpression )) != XB_NO_ERROR ){
-      iErrorStop = 250;
-      throw iRc;
-    }
-    // Process the parsed expression
-    if(( iRc = exp4.ProcessExpression()) != XB_NO_ERROR ){
-      iErrorStop = 260;
-      return -1;
-    }
-    PrintResult( &sExpression, &exp4 );
-
-
-
-    // Cleanup
-    MyFile->DeleteTable();
-    delete MyFile;
-
-
-  } catch (xbInt16 iRc ){
-
-     std::cout << "Error in program xb_ex_expression at location " << iErrorStop << std::endl;
-     std::cout << x.GetErrorMessage( iRc ) << std::endl;
-
-  }
-
-
-
-
-  return iRc;
-}