But the electronic spreadsheet ... Even Apple co-founder Steve Jobs said that VisiCalc software, originally written for the ...

Wherever you end up on your summarizing data journey, I hope your spreadsheet hassles are a bit easier to handle.

So he wrote a program for the new Apple II personal computer: an electronic spreadsheet. His friend Bob Frankston helped him sharpen up the software - and, on 17 October 1979, VisiCalc went on sale.