There is an important difference between a Kaypro II (as this one was reviewed) and a post-XT PC: all the state of the machine is in the floppies.
And you can boot the PC, insert the Wordstar floppy, work on it, remove it, insert the spreadsheet floppy (or keep both programs on the same disk) and compute away.
And you can boot the PC, insert the Wordstar floppy, work on it, remove it, insert the spreadsheet floppy (or keep both programs on the same disk) and compute away.