[seqfan] Re: What was Euler's original notation for the totient function?

[Robert Israel]

This is mentioned in Dickson's "History of the Theory of Numbers".  See
p. 128 of Lehmer's review of Dickson,
<http://projecteuclid.org/euclid.bams/1183425137>.

Robert Israel                                israel at math.ubc.ca
Department of Mathematics        http://www.math.ubc.ca/~israel 
University of British Columbia            Vancouver, BC, Canada

On Mon, 7 Jun 2010, Alonso Del Arte wrote:

> I read somewhere that at first Euler notated his famous totient function as
> pi(n) rather than phi(n). But now I can't remember what that book was. Maybe
> it was a biography of Euler, but I haven't read many biographies from
> beginning to end. Anyway, I would appreciate any book that says what Euler's
> original notation was.
>
> Al
>
> _______________________________________________
>
> Seqfan Mailing list - http://list.seqfan.eu/
>