1 November 2015

• 14:0914:09, 1 November 2015 diff hist +61 1993 IMO Problems/Problem 1 No edit summary

23 October 2015

• 19:2619:26, 23 October 2015 diff hist +5 1999 IMO Problems/Problem 2 →Solution 2 (elegant)
• 19:2119:21, 23 October 2015 diff hist +736 1999 IMO Problems/Problem 2 No edit summary

28 July 2015

• 15:4015:40, 28 July 2015 diff hist −9 1993 IMO Problems/Problem 1 →Solution
• 15:3915:39, 28 July 2015 diff hist +12 1993 IMO Problems/Problem 1 →Solution
• 15:3715:37, 28 July 2015 diff hist +2,666 N 1993 IMO Problems/Problem 1 Created page with "Let <math>f\left(x\right)=x^n+5x^{n-1}+3</math>, where <math>n>1</math> is an integer. Prove that <math>f\left(x\right)</math> cannot be expressed as the product of two non-co..."
• 15:1915:19, 28 July 2015 diff hist +1,182 1976 IMO Problems/Problem 2 Added alternate solution current

26 June 2015

• 19:0919:09, 26 June 2015 diff hist +2,510 Principle of Inclusion-Exclusion →Application
• 18:5618:56, 26 June 2015 diff hist 0 1985 AJHSME Problems/Problem 15 →Solution using PIE
• 18:4818:48, 26 June 2015 diff hist +1,283 1985 AJHSME Problems/Problem 15 Added a solution using PIE

9 June 2015

• 11:0211:02, 9 June 2015 diff hist +22 m Mock ARML No edit summary
• 11:0111:01, 9 June 2015 diff hist +254 Mock ARML adding information about trumpeter's Mock ARMLs

5 February 2015

• 12:0012:00, 5 February 2015 diff hist +371 2015 AMC 10A Problems/Problem 23 No edit summary