Forex expert advisor is a program that is able to perform at the terminal following the instructions of a merchant, without his direct involvement. All tasks are done automatically or mechanically, this is why the so-called expert advisors or mechanical trading system (MTS). Simply put, this is a program to send the application to mediate without the trader. You install an expert advisor for online forex trading platform available, which is connected to the broker server, adjust all the settings, and after it started trading adviser in accordance with the preset strategy.,