Syntax and Structure

Lesson Overview

In "MQL5 EA Programming Intro" → "MQL5 Foundations", this lesson "Syntax and Structure" builds knowledge you can apply immediately.

MQL5 is C++-like: int/double, if/for, functions. EA structure: OnInit, OnTick, OnDeinit. First Hello World EA prints bid/ask.

Core Concepts

These points align with the video walkthrough—take notes as you watch.

• ▸MQL5 is C++-like: int/double, if/for, functions.
• ▸EA structure: OnInit, OnTick, OnDeinit.
• ▸First Hello World EA prints bid/ask.

Practical Application

After studying, complete the companion practice lesson to move from understanding to doing.

• ▸Follow along in Jupyter or VS Code
• ▸Log how parameter changes affect backtest results
• ▸Submit a reproducible analysis notebook

FAQ

• ▸Q: How does this lesson fit the course? A: Part of "MQL5 Foundations"—follow the curriculum order.
• ▸Q: What do I need? A: Demo account and notes; quant lessons need a Python environment.
• ▸Q: How do I know I've mastered it? A: Pass the quiz and explain three key points of Syntax and Structure on your own.