optionscat
European options tool, compound calc, finance manager for traders...
...The formula, developed by three economists – Fischer Black, Myron Scholes and Robert Merton – is perhaps the world's most well-known options pricing model. Black passed away two years before Scholes and Merton were awarded the 1997 Nobel Prize in Economics for their work in finding a new method to determine the value of derivatives (the Nobel Prize is not given posthumously; however, the Nobel committee acknowledged Black's role in the Black-Scholes model).
Read more: Options Pricing: Black-Scholes Model| Investopedia http://www.investopedia.com/university/options-pricing/black-scholes-model.asp#ixzz4T9rfuUyJ