| The computer end of things depends on the pump. I have the Animas 2020 and on that, the PC side allows you to edit any of the settings (not strictly needed as you can do it all on the pump), edit the food database to add your own items and it also allows you to download the history. This is useful as you can see the insulin taken vs BG which can help you spot trends and hopefully improve your control.
Gary
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13 years of MDI
And then a little pump floats by
And now my pants are filled with tubes
That tangle all around my.... er .... knees
The hours I'm hooked up? All twenty four
And that's it for now until evermore
But I disconnect for up to an hour
For wonderful fun (and sometimes a shower) 
And when I 'suspend' it, it plays Barry White
And my wife knows she's in for one heck of a night
But only an hour of that night is with me
As an hour is all I'm allowed now, you see...
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