Earlier quoted context omitted.
It actually is the de-facto-standard modeling engine in a lot of areas, even some scientific areas, but mainly economics/finance. There are some pretty nuttily complex simulations written entirely in Excel, with the visualization part of the simulation done by popping up a chart--- you can even make it animated by popping up a new chart at a certain time interval. There's even a market in commercial spreadsheets, whi…
You can now do stuff like that in a lot of languages, but it's relatively recent Saying "Lisp had it X years ago" sounds perhaps a little weenish, but... that sounds a lot like the Cells library, and the even older Garnet KR. Granted, they're quite a lot less accessible than spreadsheet programs. FRP seems to be modern take on it. It's being very actively researched in the Haskell community.
On the other hand ... Sketchpad: 1963. (Constraint satisfaction, but not embedded in a general-purpose programming system.) Prolog: 1972. And Guy L Steele wrote a nice general-purpose constraint system in 1978. ("Constraints", MIT AI Memo 502.)