** including square roots of certain integers
I wish a had a more interesting signature line.
Can I do the first one?
e to almost 3 decimals
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.