Automated trading is a relatively new but very promising technology. Its main idea lies in transmitting account management to a computer program. In MetaTrader 4 market analysis is also entrusted to these programs (Expert Advisors). In other words, MetaTrader 4 completely releases traders from the routine market watching and the execution of trade operations.
在MetaTrader 4客户终端提供与MetaQuotes Language 4 Integrated Development Environment (MQL4 IDE)集成开发环境的接口。这种环境包括以下部分：
The MetaTrader 4 client terminal is supplied with the MetaQuotes Language 4 Integrated Development Environment (MQL4 IDE). This environment consists of the following parts:
MetaTrader 4 terminal – 自动化交易程序管理模块并执行。
MetaQuotes Language 4 (MQL4) – 执行交易策略编程语言。
MetaEditor – 编器和编译器。
Strategy Tester – 模块测试和优化。
MetaTrader 4 terminal – the module where automated trading programs are managed and executed.
MetaQuotes Language 4 (MQL4) – the programming language for implementing trading strategies.
MetaEditor – editor and compiler of Expert Advisors.
Strategy Tester – the module to test and optimize Expert Advisors.