>What is the best source for finding out information like this?

http://www.decisionmodels.com/

Biff

"nickname" <electronicmailmessage@gmail.com> wrote in message
news:1152809543.801285.3610@i42g2000cwa.googlegroups.com...
>I can accomplish the same task using a database function (i.e. dsum), a
> math function (i.e. sumif), and an array formula. If my goal is to
> make the spreadsheet run as efficiently (fast) as possible, which
> should I choose? Let's assume this is a very large set of data, and if
> pertinent, the equation will be used frequently.
>
> Also, I've heard array formulas in large volumes can slow down a
> spreadsheet considerably. Why is this the case? What is the best
> source for finding out information like this?
>
> Thanks for your help.
>