There was a really cool app on NeXT called Quantrix (Also Lotus improv had the same idea). It was a spreadsheet where rules and data were kept separate. The mo

There was a really cool app on NeXT called Quantrix (Also Lotus improv had the same idea). It was a spreadsheet where rules and data were kept separate. The modern java version can access databases. A spreadsheet user could get up and running with it over the course of a week or two, then switch to a database behind the scene.