I learned, belatedly, that last October 17 was Spreadsheet Day, marking the 35th anniversary of VisiCalc, the Apple II program that started it all. This moved me to republish a long piece I wrote 30 ...

At the beginning of the personal computer era, a student in Boston dreamed up the first electronic spreadsheet. It was a $99 piece of software that changed whole industries — and created a new ...

An old rule of thumb for building a startup is to find a group of professionals who use spreadsheets to do their work and then build an app to replace their spreadsheet usage. Presto, you have a ...