I am maintaining a website for a financial investment company and I want to create a calculator for retirement, investments, pensions and savings. I am sure the process is logical but thought I would ask the group if they had any experience or knowledge of how I would go about creating such.
I actually just made an asset allocation calculator myself recently, I used jQuery and a flash pie-chart with HTML5 canvas fallback for the results. You can check it out here: http://johndoesdesign.com/dev/j/calc/. It’s not too difficult to create something like that if you have some intermediate JS/jQuery knowledge.