Skip to main content
Mathematics
robjohn's user avatar
robjohn's user avatar
robjohn's user avatar
robjohn
Moderator
  • Member for 12 years, 11 months
  • Last seen more than a week ago
  • none
  • West Hills, CA
Profile Activity
Stats
347,819
reputation
376k
reached
203
answers
23
questions
Communities
View all
About

the mean square The Mean Square
(with one standard deviation and several unusual ones)

aka Rob Johnson

$\LaTeX$ support for Chat

ChatJax installer

Some of my astrophotos

Badges
View all badges
4
gold badges
80
silver badges
94
bronze badges
Top tags
View all tags
987
Score
113
Posts
50
Posts %
593
Score
86
Posts
38
Posts %
372
Score
51
Posts
23
Posts %
142
Score
20
Posts
9
Posts %
106
Score
16
Posts
7
Posts %
89
Score
29
Posts
13
Posts %
Top posts
View all questions and answers
133
Should chat have TeX support?
Dec 6, 2011
132
General Moderation Strike: Mathematics StackExchange moderators are participating
Jun 6, 2023
118
Main Chatroom Guidelines
Mar 29, 2012
62
Someone with more rep than you is wrong?
Aug 23, 2014
49
Answers with $0$ votes.
Jan 21, 2014
43
Would a tag for "check-my-proof" questions be useful?
Nov 24, 2012
42
MathJax: How to number and reference multiline equations?
Apr 8, 2014
39
LaTeX symbols for "therefore" and "suchthat"
Jan 9, 2016
37
A bad day at mathexchange ...
Sep 3, 2012
31
I have ~7 accounts. Is this OK?
Feb 27, 2013
Top network posts
View all network posts
653
How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
177
What's 4 times more likely than 80%?
151
Slice of pizza with no crust
147
How to prove that $\frac{\zeta(2) }{2}+\frac{\zeta (4)}{2^3}+\frac{\zeta (6)}{2^5}+\frac{\zeta (8)}{2^7}+\cdots=1$?
130
Parabola is an ellipse, but with one focal point at infinity