how to learn Array Formulas...

Hello All,

I am very happy for to be part of this forum. Really i am learning so many new things here such as getting clarifications or clarifying others doubts..this is really very good platform..

Here is my question.

As i observed so many soluations are based on the array formulas. its a bit hard to understand the arrary formulas.so, can anyone suggest some study material for array formulas..how to learn step by step...

Thanks in advance to all..

Kind Regards,
Vishnu V