# Cannot calculate Standard deiation using sharp EL-735

Hi There,

I need help!! I have an exam Monday and cannot seem to calculate Standrd deviation using my sharpe EL-735.

The question gives the following annual returns:

2001: 15%
2002: 18%
2003: 17%
2004: 14%
2005: 18%
2006: 20%

What are the key functions to calculate the risk?? I know the answer is 2.191% as I have used excel to determine this, but cannot work it out on the calculator....Also, we dont have excel in the exam :(

Thanks, Lauren

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