Excel formulas

Does anyone know how to calulate bollinger band and RSI readings in excel spreadsheet???

thanks heaps.

 

http://www.investopedia.com/articles/technical/102201.asp

Function: STDEV(values)
Function AVERAGE(values)

http://www.investopedia.com/university/technical/technical6.asp

Best,
Morgan

 

www.ta-lib.org

Basically C/C++ but it says there are Excel add ins.

 

this is already bollinger, have no time now to make sapmle of RSI.

 

thanks everyone.