There is a very healthy industry devoted to supplying word processors for the world of commerce, and many home computer owners could make use of word-processing facilities too. Writing job applications, repeated letters of complaint to computer companies, perfecting that software review - the possibilities are endless.
But to use this type of program, you do of course need a printer, and the Sinclair printer is not, to say the least, ideal. I'll leave it as an exercise in economics for you to work out whether or not this program is for you.
That said, it does work. It is menu-driven, and at every option the prompt asks you to make sure that you really want to do what you are requesting, so it would be very difficult to make a mistake and erase hours of work by accident.
But there are so many different things to remember that I would have appreciated a leaflet or small booklet to refer to, rather than constantly going back to the instructions.