The indicator plots up/down buffer arrows in the chart window when conditions are met on one or two of the following indicators:

CHashArrayStringString
Example of implementation of lines hash array with a string key.
dt_FFT
Library of fast Fourier transformation functions (FFT).
Class for set and check your trading time
CTimeControl class for include to your EA for easy setting and checking your own trading time.
Smoothed_RSI and RSI_of_MA
Smoothed RSI indicator and RSI of Moving Average.