MT4 can be described as among the most frequently used platforms for traders in markets. It allows automated systems by means of automated advisors, custom scripts, and indicators. These capabilities can be programmed in MetaTrader’s own language, MQL. EX4: This refers to a compiled version of the MQ4 source code. https://felixcwkvi.jts-blog.com/29764301/not-known-details-about-ex4-to-mq4