13 Feb
2016
13 Feb
'16
1:48 p.m.
Cute! On Sat, Feb 13, 2016 at 12:38 PM, Bill Gosper <billgosper@gmail.com> wrote:
gosper.org/Perigal.gif --rwg _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun