I noticed that we have a history tag, described thus: For questions concerning the history of computers, digital electronics, hardware manufacturers and software developers. This seems awfully close to a simple rewrite of the site's blurb: Retrocomputing Stack Exchange is a question and...

I present a theorem that has been proved by Professor Boris Tsirelson in HERE, so one of results of this theorem is the below theorem: Theorem 1: For each natural number like a=a(1)a(2)a(3)...a(k) that a(j) is j_th digit of a, there is a natural number like b=b(1)b(2)b(3)...b(r) such that the ...

Having recently experienced (for the first time I remember) the daily reputation limit, I wanted to clarify one of the rules. When the daily reputation limit is in force, is is just that further votes on questions don't count to personal reputation or is it impossible to up vote on the question?...