robjohn's user avatar
robjohn's user avatar
robjohn's user avatar
robjohn
  • Member for 10 years, 10 months
  • Last seen this week
  • West Hills, CA
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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

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