Okay, right what we are going to er do now is create a constant, we'll need a constant for our regressions  so if you type the letter Q to come out of the data processing environment  right type the letter Q right and then go into the er constant creation menu, which is option one of the data processing menu  right,you'll, you'll be asked for a name for  if you like call it C or constant or Fred Bloggs, just supply a name  to your constant term.