BILLMATE TEXT THE BILLMATE ( 3a ) AND BILLMAT3 ( 3 ) ARE PROGRAMS WHICH I USE TO HELP ME CALCULATE BILLS BASED ON AN HOURLY RATE PLUS PARTS ( PARTS WHICH MAY OR MAY NOT INCLUDE VAT) THE PROGRAMS ARE SUPPLIED AS OPL FILES TO ALLOW ALTERATION OF THE HOURLY RATE AND THE VAT RATE . THE APPROPRIATE PROGRAM FOR YOUR MACHINE SHOULD BE COPIED TO AN OPL DIRECTORY AND THEN EDITED TO ALLOW FOR YOUR HOURLY RATE ( DON'T FORGET TO ALTER THE DIALOG MIN AND MAX VALUES ALSO ) AND THEN TRANSLATED AND INSTALLED AS USUAL. PRESSING ESC AT ANY TIME CLOSES AND EXITS THE PROGRAM.