# What is the difference between closed-form expression and analytic expression?

What is the difference between closed-form expression and analytic expression?

I often see them get referenced in settings where (in my opinion) they are essentially interchangeable.

What is a tangible difference between them, such as something one can do whereas the other cannot?

• The reference-request tag seems appropriate here (unless you just want impressions from different people). – Daniel W. Farlow Apr 19 '16 at 21:52