Functions vs. macros

[stupomer]

Hi,
I just discovered the "Convert to Function" Option in the properties page.

Anyway, I just wanted to know whether I should change all my macros to functions.

I know that one of the advantages is that I can call other functions from within a macro without ending that macro

Is there any benefit for free-standing macros i.e. they don't return variables from other macros/functions?

Any other benefits vs. downsides of converting my macros to function?

Are they more stable?

Will they run faster?

(I know that you sometimes have to put in a

Code:

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spe -1

to keep things running at the same rate?

Thanks for any insight!

Stuart