User:Pt

— Me: — et Selle kasutaja emakeel on eesti keel. en-3 This user can contribute with an advanced level of English. ru-1 Этот участник владеет русским языком на начальном уровне. fi-1 Tämä käyttäjä puhuu vähän suomea.   This user's favorite subject is physics. CERN This user has visited CERN. This user prefers the metric system. c = 1 This user uses natural units. This user is a skeptic. This user is a mathie. ${\displaystyle \sum _{k=1}^{\infty }{x^{k} \over k!}}$ This user loves problem solving.   c++-3 This user is an advanced C++ programmer. Java-2 This user is an intermediate Java programmer. PHP-2 This user is an intermediate PHP programmer. hs-2 This user is an intermediate Haskell programmer. xhtml-2 This user is an intermediate XHTML user. -3 This user is an advanced LaTeX user. re-2 This user writes intermediate regular expressions.   flute-2 This user is an intermediate flautist. pno-1 This user is a novice pianist. harm-1 This user is a novice harmonica player. This user enjoys singing. This user enjoys classical music.   This user contributes using Linux. This user contributes using Firefox. This user contributes using Vim. This user uses Google as a primary search engine.   This user is owned by one or more cats.   This user is an omnivore. This user is drug-free.   This user enjoys bicycling. This user enjoys chess. hobbyist .   This user recently discovered how to use userboxes.

My real name is Siim Ainsaar. I was born on

• Rubik's cube and Pyraminx
• Cycling (just for my own pleasure, no competitions)
• Orienteering
• kyu
  )
• Juggling with 3 balls
• Classical music
• Music theory, in particular classical harmony
• Singing in a chamber choir
• Western concert flute (studied for 8 years)
• Piano (5 years of studies and endless improvizations thereafter)
• Harmonica
• And of course computer (since early 1990s):
  • Linux operating system, Gentoo Linux in particular
  • Bash shell scripting
  • C++ programming language
  • LaTeX document formatting system
  • GNU Lilypond
    music typesetting program
  • Functional programming, in particular Haskell
  • Mathematica
    computer algebra programs
  • … and naturally Wikipedia!

Me and Wikipedia

I have been using Wikipedia since

• Some general statistics about my edits,
• created articles,
• created redirects,
• created categories,
• uploaded images in Commons (plus that one now moved there).

Selected Reference Desk contributions

• WP:RD/Math
  about the number of permutations with at least one 2-cycle
• Another one about ${\displaystyle O(n\log n)}$ evaluation of a polynomial of degree ${\displaystyle n}$ and its ${\displaystyle n}$ derivatives at some point
• Solved this, this and this nonlinear 2nd-order differential equation
• Found a closed form expression for continued fraction [1;2,1,3,1,4,1,5,…]

Other places I reside at (besides this English Wikipedia)

Wikipedia Osalen eestikeelse Vikipeedia arendamisel. I support the Estonian language Wikipedia with my contributions.

This user has a userpage on Wikimedia Meta-Wiki.

This user contributes to Wikimedia Commons.

This is a Wikipedia user page. If you find this page on any site other than Wikipedia, you are viewing a mirror site. Be aware that the page may be outdated, and that the user this page belongs to may have no personal affiliation with any site other than Wikipedia itself. The original page is located at http://en.wikipedia.org/wiki/User:Pt.