Despite being in the age of computer scoring, directors must understand the basics of double matchpointing. Players may ask for an explanation or ask why they obtained a particular score. Directors need to be able to recognize computer produced results that look incorrect because, perhaps, wrong data was entered. It may even be necessary manually to adjust results compiled by computer.
The below chapters (all PDFs) give a good introduction to the process behind your computerised scoring program. As PDFs they may be viewed or printed.