On Nov 21, 2009, at 8:42 PM, rjf wrote:

> On Nov 19, 5:27 pm, William Stein <wst...@gmail.com> wrote:
>
>>
>> I think *everybody* should read that, so people understand precisely
>> what sort of ego-maniac self-aggrandizing opponent the Sage project  
>> is
>> up against.
>
> Mathematica is an opponent of Sage?  Huh?  Maybe you mean competition
> for Sage?

Wolfram Mathematica's (R) is competition, and in that competition I  
think it's fair to say Wolfram is an opponent.

I prefer to see those working on Maxima as collaborators.

> WRI presumably has a clear notion of how many licenses for Mathematica
> have been sold.
> Some are for multiple users, so there is probably no way of saying how
> many users, exactly, there are.

Nope. They're guessing, we're guessing, and though their guess is  
probably more accurate than ours we can probably peg it to within an  
order of magnitude or so.

> As for Sage, one can tell how many downloads there have been.  Again,
> some are for
> multiple users.
>
> But my recollection is that there are lots more people who appear to
> have downloaded Maxima than Sage.
> That doesn't count secondary distributions...
>
> I think Maxima is more widely used than Sage, especially since every
> Sage installation includes Maxima but
> not vice versa.

I bet you're right. I bet the number of installs and users of Windows  
calculator eclipses both of them. And that's enough for many people,  
but we're targeting more specialized audiences.

- Robert

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