User contributions
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- 14:12, 23 June 2021 (diff | hist) . . (+38) . . m Mathleague.org (Added mathleague.org to the list of mathematics competitions)
- 14:09, 23 June 2021 (diff | hist) . . (+53) . . m 2008 Indonesia MO Problems (→Problem 4) (current)
- 02:38, 23 June 2021 (diff | hist) . . (+2,462) . . N 2008 Indonesia MO Problems/Problem 5 (Solutions to Problem 5 (solution 1 credit to mehmetcantu) -- two proof approaches!)
- 22:25, 21 April 2021 (diff | hist) . . (+2,242) . . Mathleague.org (Big updates! Includes more details, difficulty scale, and link to official YouTube channel and other resources.)
- 16:03, 25 February 2021 (diff | hist) . . (+1,646) . . 2006 iTest Problems/Problem U7 (Solution to U7 -- first solution writeup of 2021 and finally got that problem down!) (current)
- 19:44, 23 February 2021 (diff | hist) . . (0) . . m 2006 iTest Problems/Problem U8 (Fixed the value.)
- 15:48, 23 February 2021 (diff | hist) . . (-412) . . m 1997 JBMO Problems/Problem 4 (Conciseness change (thanks Quantomaticguy)) (current)
- 15:44, 23 February 2021 (diff | hist) . . (-169) . . m 1961 AHSME Problems/Problem 38 (Undo revision 139965 by Quantomaticguy -- alternate solution not correct) (Tag: Undo)
- 15:24, 23 February 2021 (diff | hist) . . (+115) . . William Lowell Putnam Mathematical Competition (Adjusted links of the Putnam (since some of them do not work))
- 22:10, 7 September 2020 (diff | hist) . . (+26) . . m Percent
- 22:08, 7 September 2020 (diff | hist) . . (+27) . . m Rate (current)
- 22:07, 7 September 2020 (diff | hist) . . (+13) . . m Ratio
- 22:04, 7 September 2020 (diff | hist) . . (+2,686) . . N Percent (Created page with "A '''percent''' is a type of ratio where something is compared to a hundred. Probabilities, scores, and success rates are commonly written in percents. ==Conversion to F...")
- 21:37, 7 September 2020 (diff | hist) . . (-123) . . Rate (Rewriting with strategy for rate problems as well as Alcumus problem links.)
- 21:28, 7 September 2020 (diff | hist) . . (+243) . . m Ratio (Minor cleanup and practice problems.)
- 17:48, 12 June 2020 (diff | hist) . . (+4,313) . . Decimal (Added comparison, operations, and practice problem links) (current)
- 20:37, 11 June 2020 (diff | hist) . . (+2,159) . . Inequality (Cleaned up the messy section on solving inequalities -- and added related Alcumus units)
- 20:03, 11 June 2020 (diff | hist) . . (+780) . . Mixed number (Added operations on mixed numbers (and link to Alcumus unit)) (current)
- 19:34, 11 June 2020 (diff | hist) . . (+2,558) . . Fraction (Expanded section to include conversion, simplification, comparison, and the four operations (as well as Alcumus units)) (current)
- 19:04, 11 June 2020 (diff | hist) . . (+1,971) . . Prime factorization (Updated link to Prime Shooter and added example)
- 16:42, 11 June 2020 (diff | hist) . . (+155) . . m Divisibility rules (Small organization changes)
- 16:25, 11 June 2020 (diff | hist) . . (-328) . . m Exponentiation
- 16:24, 11 June 2020 (diff | hist) . . (-408) . . Exponentiation (Cleanup and Alcumus)
- 15:55, 11 June 2020 (diff | hist) . . (+1,121) . . Order of operations (Added explanations and link to Alcumus)
- 15:29, 11 June 2020 (diff | hist) . . (+128) . . m Algebraic manipulation (Added units from Alcumus)
- 12:56, 25 April 2020 (diff | hist) . . (+233) . . Contest strategies (Added "staying calm" as a test strat.)
- 15:11, 14 April 2020 (diff | hist) . . (+105) . . m Optimization (Added the use of Olympiads (AM-GM, Cauchy, etc.).) (current)
- 15:08, 14 April 2020 (diff | hist) . . (+3,783) . . Algebraic manipulation (More information on algebraic manipulation, including cross-multiplication and extraneous solutions.)
- 18:52, 10 April 2020 (diff | hist) . . (+1,715) . . Homothety (Properties, usage, and a picture added!)
- 17:41, 10 April 2020 (diff | hist) . . (+1,971) . . Algebra (Undo revision 115159 by Winter29 (talk)) (Tag: Undo)
- 17:39, 10 April 2020 (diff | hist) . . (+313) . . System of equations (Minor cleanup, more strategies, and practice problems.)
- 16:53, 10 April 2020 (diff | hist) . . (+1,333) . . Substitution (Cleanup and added clever substitution section.) (current)
- 15:05, 10 April 2020 (diff | hist) . . (+1,080) . . Word problem (Added strategies.) (current)
- 12:58, 10 April 2020 (diff | hist) . . (+1,837) . . N 2004 Pan African MO Problems/Problem 4 (Solution to 2004 Pan African MO Problem 4 -- simple words-to-math problem) (current)
- 17:50, 8 April 2020 (diff | hist) . . (0) . . m 2008 Indonesia MO Problems/Problem 1 (Adjusted difficulty to Intermediate Geo.) (current)
- 17:49, 8 April 2020 (diff | hist) . . (+1,389) . . N 2008 Indonesia MO Problems/Problem 1 (Solution to 2008 Indonesia MO Problem 1 -- cyclics)
- 11:59, 27 March 2020 (diff | hist) . . (+39) . . m Nordic Mathematical Contest (current)
- 11:58, 27 March 2020 (diff | hist) . . (+91) . . m Nordic Mathematical Contest (Link upgrade!)
- 11:46, 27 March 2020 (diff | hist) . . (0) . . m 2004 Pan African MO Problems/Problem 3 (Adjusted difficulty to Intermediate NT.) (current)
- 11:43, 27 March 2020 (diff | hist) . . (+1,778) . . N 2004 Pan African MO Problems/Problem 3 (Solution to Problem 3 -- numbers in a circle)
- 11:09, 27 March 2020 (diff | hist) . . (+4) . . m 2001 Pan African MO Problems/Problem 3 (Changed difficulty to Intermediate Geo.) (current)
- 15:08, 26 March 2020 (diff | hist) . . (+4,188) . . N 2007 Indonesia MO Problems/Problem 7 (Solution to Problem 7 -- a pretty complicated circle geo problem) (current)
- 20:32, 25 March 2020 (diff | hist) . . (+2,620) . . N 2004 Pan African MO Problems/Problem 5 (Solution to Problem 5 -- trial and error!) (current)
- 15:00, 25 March 2020 (diff | hist) . . (-1) . . m User:Rockmanex3 (→Hall of Problems) (current)
- 14:59, 25 March 2020 (diff | hist) . . (+1,049) . . User:Rockmanex3 (Update 3/25/20)
- 16:54, 24 March 2020 (diff | hist) . . (+211) . . m 2004 Pan African MO Problems/Problem 2 (Reformatting) (current)
- 16:50, 24 March 2020 (diff | hist) . . (+988) . . N 2004 Pan African MO Problems/Problem 1 (Solution to Problem 1 -- number theory casework) (current)
- 20:55, 22 March 2020 (diff | hist) . . (+2,047) . . N 2008 Indonesia MO Problems/Problem 2 (Solution to Problem 2 -- oh baby a triple!)
- 13:43, 21 March 2020 (diff | hist) . . (+2,983) . . N 2007 Indonesia MO Problems/Problem 8 (Solution to Problem 8 (credit to crazyfehmy) -- perfect square shenans)
- 01:16, 19 March 2020 (diff | hist) . . (+118) . . m 2007 Indonesia MO Problems/Problem 6 (Solution edits) (current)
- 11:56, 17 March 2020 (diff | hist) . . (+134) . . m 2005 Indonesia MO Problems/Problem 6 (Solution edits) (current)
- 11:50, 17 March 2020 (diff | hist) . . (+686) . . m 2003 Indonesia MO Problems/Problem 3 (Added answer confirmation) (current)
- 11:29, 17 March 2020 (diff | hist) . . (+401) . . m 2006 Indonesia MO Problems/Problem 1 (Solution edits) (current)
- 15:10, 14 March 2020 (diff | hist) . . (+2,194) . . N 2007 Indonesia MO Problems/Problem 2 (Solution to Problem 2 -- LaTeXing this took a long time) (current)
- 13:30, 28 February 2020 (diff | hist) . . (0) . . 2008 iTest Problems/Problem 32 (Problem is more of an introductory geo problem.) (current)
- 13:26, 28 February 2020 (diff | hist) . . (0) . . 2004 Indonesia MO Problems/Problem 7 (Problem is more of an introductory geo problem.) (current)
- 13:05, 28 February 2020 (diff | hist) . . (+2,103) . . N 2007 Indonesia MO Problems/Problem 5 (Solution to Problem 5 -- easy problem with hard solution writing) (current)
- 17:33, 27 February 2020 (diff | hist) . . (+1,935) . . N 2007 Indonesia MO Problems/Problem 6 (Solution to Problem 6 -- systems with monotonics)
- 23:50, 25 February 2020 (diff | hist) . . (+1,378) . . N 2007 Indonesia MO Problems/Problem 3 (Solution to Problem 3 (credit to vedran6) — niche inequality strat) (current)
- 15:28, 17 February 2020 (diff | hist) . . (+1,216) . . N 2007 Indonesia MO Problems/Problem 4 (Solution to Problem 4 — short counting problem) (current)
- 15:04, 17 February 2020 (diff | hist) . . (+1,664) . . N 2007 Indonesia MO Problems/Problem 1 (Solution to Problem 1 — easy with a good diagram) (current)
- 22:51, 16 February 2020 (diff | hist) . . (+587) . . Math Prize for Girls (More info on Math Prize as well as difficulty.) (current)
- 02:57, 14 February 2020 (diff | hist) . . (+98) . . National Internet Math Olympiad (Added category of difficulty.)
- 17:18, 12 February 2020 (diff | hist) . . (+408) . . m 2007 Indonesia MO Problems (Added solution links.) (current)
- 18:16, 1 February 2020 (diff | hist) . . (+3) . . m 2007 iTest Problems/Problem 49 (Binomials and fractions adjusted for easier viewing) (current)
- 18:14, 1 February 2020 (diff | hist) . . (+2,451) . . 2007 iTest Problems/Problem 49 (Solution to Problem 49 -- inspired by solution to problem on Math Prize for Girls)
- 13:41, 29 January 2020 (diff | hist) . . (+3,043) . . N 2008 Indonesia MO Problems (2008 Indonesia MO Problems are up!)
- 16:25, 28 January 2020 (diff | hist) . . (0) . . 2003 Pan African MO Problems/Problem 2 (Fix) (current)
- 13:59, 27 January 2020 (diff | hist) . . (+4) . . 2003 Pan African MO Problems/Problem 4 (Fixed LaTeX) (current)
- 13:56, 27 January 2020 (diff | hist) . . (+1,251) . . N 2003 Pan African MO Problems/Problem 4 (Solution to Problem 4 (credit to akhan98) -- complicated function problem)
- 13:01, 25 January 2020 (diff | hist) . . (+1) . . m 2003 Pan African MO Problems/Problem 6 (→Solution) (current)
- 12:54, 25 January 2020 (diff | hist) . . (+3,247) . . N 2003 Pan African MO Problems/Problem 6 (Solution to Problem 6 -- epic functional equation problem)
- 11:20, 15 January 2020 (diff | hist) . . (+2,261) . . N 2003 Pan African MO Problems/Problem 5 (Solution to Problem 5 -- novice NT problem that requires precision) (current)
- 02:04, 14 January 2020 (diff | hist) . . (+2,281) . . N 2003 Pan African MO Problems/Problem 1 (Solution to Problem 1 -- finding functions) (current)
- 01:14, 14 January 2020 (diff | hist) . . (+1,183) . . N 2003 Pan African MO Problems/Problem 2 (Solution to Problem 2 -- VERY EASY circle angle problem)
- 01:08, 14 January 2020 (diff | hist) . . (+1,334) . . N 2003 Pan African MO Problems/Problem 3 (Solution to Problem 3 -- easy number base problem)
- 01:45, 7 January 2020 (diff | hist) . . (+852) . . N 2002 Pan African MO Problems/Problem 6 (Solution to Problem 6 -- tough inequality problem with a simple solution) (current)
- 23:53, 6 January 2020 (diff | hist) . . (+41) . . m 2002 Pan African MO Problems/Problem 5
- 23:51, 6 January 2020 (diff | hist) . . (+369) . . 2002 Pan African MO Problems/Problem 5 (Polishing)
- 23:36, 6 January 2020 (diff | hist) . . (+3,417) . . N 2002 Pan African MO Problems/Problem 5 (Solution to Problem 5 -- nice geo problem)
- 13:52, 24 December 2019 (diff | hist) . . (+1,599) . . N 2002 Pan African MO Problems/Problem 3 (Solution to Problem 3 -- induction rules the day again) (current)
- 14:01, 23 December 2019 (diff | hist) . . (+4,040) . . N 2002 Pan African MO Problems/Problem 2 (Solution to Problem 2 -- coordinate geo wins the day) (current)
- 17:18, 21 December 2019 (diff | hist) . . (+1,620) . . N 2002 Pan African MO Problems/Problem 1 (Solution to Problem 1 — easy induction) (current)
- 01:15, 21 December 2019 (diff | hist) . . (-13) . . m 2001 Pan African MO Problems/Problem 3
- 01:14, 21 December 2019 (diff | hist) . . (+3,921) . . N 2001 Pan African MO Problems/Problem 3 (Solution to Problem 3 -- coordinate geometry is OP!)
- 16:21, 20 December 2019 (diff | hist) . . (+13) . . m 2006 Indonesia MO Problems/Problem 6 (current)
- 13:30, 20 December 2019 (diff | hist) . . (+85) . . m ITest Problems and Solutions (Added the Tournament of Champions)
- 13:19, 20 December 2019 (diff | hist) . . (+1,606) . . User:Rockmanex3 (Update 12/20/19)
- 00:26, 18 December 2019 (diff | hist) . . (+3,506) . . N 2001 Pan African MO Problems/Problem 4 (Solution to Problem 4 -- tough problem done!) (current)
- 16:23, 17 December 2019 (diff | hist) . . (+2) . . m 2001 Pan African MO Problems/Problem 5 (→Solution) (current)
- 16:23, 17 December 2019 (diff | hist) . . (+4) . . m 2001 Pan African MO Problems/Problem 5
- 16:22, 17 December 2019 (diff | hist) . . (+1,439) . . N 2001 Pan African MO Problems/Problem 5 (Solution to Problem 5 -- summation and floors)
- 13:34, 17 December 2019 (diff | hist) . . (+1,566) . . N 2000 Pan African MO Problems/Problem 4 (Solution to Problem 4 -- super system of equations) (current)
- 13:02, 17 December 2019 (diff | hist) . . (+1,451) . . N 2001 Pan African MO Problems/Problem 2 (Solution to Problem 2 -- wall)
- 13:47, 16 December 2019 (diff | hist) . . (+3,454) . . N 2007 Indonesia MO Problems (2007 Indonesia MO problems are up!)
- 12:56, 16 December 2019 (diff | hist) . . (+3,574) . . N 2006 Indonesia MO Problems/Problem 4 (Solution to Problem 4 -- two-player strategy game!)
- 18:48, 14 December 2019 (diff | hist) . . (+3,066) . . N 2006 Indonesia MO Problems/Problem 5 (Solution to Problem 5 -- Menelaus' Theorem) (current)
- 14:16, 14 December 2019 (diff | hist) . . (+1,280) . . N 2001 Pan African MO Problems/Problem 1 (Solution to Problem 1 -- "values where fraction is integer" problem with a small twist) (current)
- 14:05, 14 December 2019 (diff | hist) . . (+1,457) . . N 2000 Pan African MO Problems/Problem 2 (Solution to Problem 2 -- if an AIME problem did have the 0-999 limit) (current)
- 12:51, 6 December 2019 (diff | hist) . . (+1,836) . . N 2000 Pan African MO Problems/Problem 1 (Solution to Problem 1 -- starter trig problem)
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