3: SpreadsheetsSpreadsheets werethekiller application that got a lot of people willing to pony up big bucks for a PC in the early 1980s.
Menu skill no-3	Andit continues to be extremely important, even though in many ways its functions have been put into other applications. (For example, people may write moreemails than documents, but the task is nearly identical.) It is tough to claim to be computer literate if the basic functions of word processing — like spell check, table creation, and working with headers — are outside your capabilities.