 Usage:  volatility(task)  

 

 Input:



  task                   scalar: (=1) - without dividend, (=2) - with 

                         continuously paid dividend, (=3) - with a 

                         fixed dividend at the end of T, (=4) - 

                         if for exchange rate 

                         

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(C) MD*TECH Method and Data Technologies, 21.9.2000

