One of the most confusing things that I've noticed for my students is the subject of arrays in MQL4. It's easy to see why a lot of them get intimidated by them but actually they're pretty straightforward.
What tends to happen is that they 'psych' themselves out and decide that they are difficult... and therefore they ARE difficult. I find the ones that get the concept the fastest are those that don't allow this to happen to them.
So if you're coming to this article with the idea that arrays in MQL4 are hard... get rid of that idea! You'll thank me in the end... trust me. (more…)