Ah ... 1987
I found a copy of 1-2-3 that came bundled with one (of two) PCs my department of 60 had to mess around with. Given I was on a student placement, I was allowed to have a play. I pretty soon got our HP7475 plotter working with it, and within a day, had knocked some graphs up.
This piqued on guys interest. His job was to supply MI to various committees. Previously this involved using a teletype (yes !) to enter data to a Sperry 1100 (/60 IIRC) and waiting for a overnight batch job to turn it into binary. He then had to take a "Y" cable, and plug the HP7475 in between the teletype and RS232, and hope it would plot. 50% of the time it would, 50% of the time it would mess up. Another day gone.
He was literally speechless, when I produced a graph he needed in less than 3 minutes. It was a true efficiency booster.
When I left, they had 30 PCs, and more on order. I went to the Lotus exhibition at Earls Court (where I first saw a PS/2) , and kept bumping into people from my department ....