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Welcome to Substepr - the research collaboration wiki for anyone with a problem to solve.

  • Find a theoretical solution to any problem.
  • Learn the theory behind any set of problems.
  • Test your skills by working on unsolved problems.


Substepr.com - established May 2011


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Rank Donor Location Date Website Amount donated (US dollars)
1. Toby Balsiger Las Vegas, Nevada and Reno, Nevada 11 Feb 2014 Auto Insurance in Las Vegas $11.00
2. Toby Balsiger Las Vegas, Nevada 20 Feb 2014 Las Vegas Association Management Company $10.25
3. Mike Glaser New Zealand 17 Jul 2012 eDIY Web Design and eCommerce Website Hosting $10.00
4. Alex Vasiev Glasgow, UK 2011 $7.85
5. Dave Judge Sheffield, UK 2012 $3.14
6. Ikhlaq Ahmed Sheffield, UK 2012 Compare-hajjumrah $1.57
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