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 Nov 23 revised Why does $1+2+3+\cdots = -\frac{1}{12}$? edited body Nov 21 comment Is there a name for the class of functions which are infinitely integrable in elementary functions? There are rational functions (fractional) whose integrals are elementary. Nov 21 comment What makes elementary functions elementary? Real part, imaginary part, absolute value and argument are not elementary functions, it is a convention. Also your trick works only for real arguments. Nov 9 revised square root of two is 1.41…, can we evaluate infinite(th) root of 2? added 3 characters in body Nov 9 answered square root of two is 1.41…, can we evaluate infinite(th) root of 2? Nov 7 comment Why can $2^3$ be defined but $0^0$ cannot $0^0$ can be defined and has been by many people. Nov 7 comment Is $\frac00=\infty$? And what is $\frac10$? Are they same? Does it hold true for any constant $a$ in $\frac{a}0$ Obviously a wrong question linked as duplicate. Nov 7 comment Is term “real number” equivalent to “group of algorithms generating stream of digits”? @Asaf Karagila maybe somebody would like to improve it to make it better. Nov 7 comment a Function with several periods @Aniket it has no smallest period but has other periods. Nov 7 revised Is term “real number” equivalent to “group of algorithms generating stream of digits”? added 3 characters in body Nov 7 answered Is term “real number” equivalent to “group of algorithms generating stream of digits”? Nov 7 answered a Function with several periods Nov 7 comment a Function with several periods OK, discrete, and what? Nov 5 revised Is the natural exponential function defined as being its own derivative? not related to euler's constant Nov 3 revised Interpreting infinite integer lattice as a manifold of negative dimension added 123 characters in body Nov 3 asked Interpreting infinite integer lattice as a manifold of negative dimension Nov 3 awarded Popular Question Nov 2 revised Why does $1+2+3+\cdots = -\frac{1}{12}$? added 13 characters in body Nov 2 revised Is there a metric in which 1+2+3+4+… converges to -1/12? added 1 character in body Nov 2 revised Why does $1+2+3+\cdots = -\frac{1}{12}$? added 1 character in body