ব্যক্তিগত কম্পিউটারে ব্যবহৃত প্রথম স্প্রেডশিট সফটওয়্যার কোনটি?

The first spreadsheet program was VisiCalc, written for the Apple II computer in 1979. In the view of many users, it was the application that most vividly showed the utility of personal computers for small businesses—in some cases turning a 20-hour-per-week bookkeeping chore into a few minutes of data entry.

Source: Encyclopædia Britannica.