When you say commission broker, do you mean that the broker doesn't pay/charge a swap, but only charges a commission for every trade? If yes, could you name some commision-free brokers (forex-brokers). I know that you can get a swap-free account at ...

commission vs. non-commission broker

See this thread http://www.forex-tsd.com/tools-utilities/430-technical-indicators-excel.html?highlight=excel+indicator And also check out this site http://www.ta-lib.org/

Excel Indicators