Yes, if you have ony a single x-variable.
For an example, go to Help>Sample Data and select Chemical Kinetics from the Nonlinear Modelling outline. Run the table script ("meyers model fit").
Thank you for quick response.
I see what you mean. Sorry if I was unclear in my question, but I intendet to different scheme of analysis - I need to write new formula (function of one variable) and to see "online as I write it" how well it fits my data points. Is there a way to do it in JMP?