coding moving average

[robvan]

Hi

I am lookong to code an exponential moving average 14. I know a litttle about coding and I am trying to use the Moving Average ea that comes with the mt4 download as a guide. 

that one is set at 12. How do you decifer simple ma from exponential in the code, and what is extern double MovingShift = 6; mean how would I apply to new ea?

I also want to put stop loss and profit target inputs

Thanks.