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Access the CodeBase from your MetaTrader 5 terminal

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How to Write an Expert Advisor or an Indicator

MQL4 Source Code Library for MetaTrader 4 - 81

The largest library features codes of free trading Expert Advisors, technical indicators and scripts. With the available applications you can trade in automated mode and analyze price dynamics. Use the library of codes to learn more about financial market sentiments.

Download free applications, test them and run in your MetaTrader 4. You can access them from the MetaTrader 4 platform and the MetaEditor development environment.

latest|best

ADX_System Expert Advisor.

Revers Script.

Pivot_AllLevels Indicator.

BrainTrend1Sig Indicator.

ATR Levels Indicator.

All_usd_pair Indicator.

PivotCustomTime Indicator.

Aroon Horn Indicator.

Demo of functions in StringArraySuite.mqh

Functions for handling two dimensional string arrays. Usefull for prototyping.

Tick Collector in the FXT File

Simple csv-to-fxt Converter

Description of the FXT file header, functions of reading and writing of the header.

Fisher_org_v1 Indicator.

CyberiaTrader Expert Advisor.

FiboRetracement Indicator.

FiboCalc Indicator.

TSI-Oscilator.

Ergodic Oscillator.

EMA_CROSS Expert Advisor.

EMA_Trend_Indicator.

TicksInMySQL Expert Advisor.

DFC Next Indicator.

Divergence Trader Expert Advisor.

DeMarker Pivots Indicator.

Delta Force Indicator.

DayTrading Expert Advisor.

Correlation USDCHF/EURUSD Indicator.

STLM_hist Indicator.

Vegas Indicator.

AutoDayFibs Indicator.

BandsLSMA Indicator.

Camarilladt Indicator.

Laguerre Indicator.

Starter Expert Advisors.

Taf Indicator.

Ultitimate Oscillator Indicator.

T3 Taotra Indicator.

T3 Bands Indicator.

Schaff Trend Indicator.

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