On Sep 25, 2:03 am, Rob Beezer wrote:
> Michael Corral has released another open source mathematics textbook,
> this one being a very nice (elementary) treatment of
> trigonometry.http://mecmath.net/trig/
>
> He mentions Sage in the preface, and late in the book says:
>
> There is a lot of mat
> But for teaching and other mathematical connections,
> would it perhaps be better to use the (base 10 logarithm)
> decimal logarithm to get the number of digits?
> In python it is ceil(log10(n))
>
> Can be used like this:
> sage: from math import *
> sage: n=1234567899010120203040506677
