MetaTrader 4 is known as one of the most commonly used applications for trading in 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 is a compiled version of the MQ4 source code. https://conneralsaf.articlesblogger.com/53551919/ex4-to-mq4-fundamentals-explained