General information about the language Metaquotes II (MQL II) Language Metaquotes II is used to create individual trading systems that allow you to automate management processes and implementation of the items their own strategies. Language is relatively simple, and use it to create transactional systems do not require prior knowledge of programming. Language MQL II contains a number of variables to monitor quotes, both current and historical. It also allows the use of basic arithmetic and logic and has the basic indicators of technical analysis, and features allowing users to open and control positions. In fact, MQL II is similar to the EasyLanguage used Tradestation (Omega Research), and even has some features that distinguish it easier user to build their own investment strategies. Programming is carried out by an independent editor MetaEditor zinegrowanego the main application (F4 function key). Displaying the individual structures of the language MQL II in different colors allows the user to easier orientation in the text of the program. Commenting is closed, which helps take the color gray in the description of the system built. Comments on a single line is a double slash (podwujny slash / /) comments in a few lines symbols mean a pair of slash and asterisk (/ * comment * /). In order to develop and test strategies for implementing transactional systems, you should have a transaction history with information on the generated signals, derived variables and the outcomes of transactions conducted. These data are available in a file called / logs / working directory YYYYMMDD.log X-Trader application. Record of current operations is available directly from the terminal window at the bottom of the screen (bookmark Journal). MQL II language description is available when you open the editor MetaEditor (F4), and recalling vocabulary window (Ctrl + F1), located in the Tools menu (Tools). There is a cache support in the form of inventory of available functions by category, operations, keywords, etc.., Allowing the user to obtain information about the entire community served elements of language.