I want to build a one page finance calculator in Rails. The form has several fields on it. When I press the calculate button it will return to the same page with the answer. If there is an error it will also return to the same page with the appropriate error messages. I want it to be able to 1. Carry over all the values on the form fields 2. Use the rails validation methods How can I acheive this without Active Record being tied to a particular database table? -- Posted via http://www.ruby-forum.com/.