The following three program listings are taken from the September

1987 issue of PCResource magazine.. They were developed by Dave Rowell

to handle a couple of problems he encountered.. I think they are worth

mentioning, and using if ne-The following three program listings are taken from the September

1987 issue of PCResource magazine..　They were developed by Dave Rowell

to handle a couple of problems he encountered.. I think they are worth

mentioning, and using if needed...