MetaTrader is known as one of several widely used software for Forex trading in financial markets. It allows automated systems by means of automated advisors, scripts, and custom indicators. These functions are typically coded in MetaQuotes’ proprietary language, MQL. EX4: This refers to a compiled version of the MQ4 source https://zanderzjmoq.frewwebs.com/31060743/ex4-to-mq4-fundamentals-explained