Mastering Excel Macros: Arrays

Hi,

Thanks for checking out this lesson.

This is a continuation of the Mastering Excel Macros series. This lesson is a bit more 'programmy' than previous lessons. Don't worry though, I explain everything and it's not that complicated. What is this lesson about? How to use things called Arrays, Collections and Dictionaries to process large amounts of data in a macro.

Doing math in macro is exponentially faster than doing math in a worksheet. When managing 100,000 data points, you want Excel to be as fast as possible. That's where Arrays, Collections and Dictionaries come into play.

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