MetaTrader is known as one of many commonly used software for financial trading in Forex. It allows automated systems by means of automated advisors, custom scripts, and indicators. These tools are often developed in MT4’s own language, MetaQuotes Language. EX4: This refers to the compiled version of the MQ4 source https://elliotoqpmk.angelinsblog.com/29908789/ex4-to-mq4-an-overview