# User contributions

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)

- 21:00, 14 March 2019 (diff | hist) . . (+232) . . 2019 AIME I Problems/Problem 7 (→Solution: Added solution.)
- 20:56, 14 March 2019
(diff | hist) . .
**(+657)** . . 2019 AIME I Problems/Problem 4 (→Solution: Added.) - 20:48, 14 March 2019
(diff | hist) . .
**(+525)** . . 2019 AIME I Problems/Problem 2 (Added problem and solution) - 18:37, 14 February 2019 (diff | hist) . . (-66) . . 2019 AMC 12B Answer Key (Changed formatting) (current)
- 18:37, 14 February 2019 (diff | hist) . . (-24) . . 2019 AMC 12B Answer Key (Undo revision 102449 by Expilncalc (talk)) (Tag: Undo)
- 17:45, 14 February 2019 (diff | hist) . . (+23) . . m 2019 AMC 12B Problems/Problem 19 (→Problem)
- 17:44, 14 February 2019 (diff | hist) . . (+5) . . m 2019 AMC 12B Problems/Problem 19 (→Problem)
- 17:40, 14 February 2019 (diff | hist) . . (+7) . . m 2019 AMC 12B Problems/Problem 13 (→Solution Variant: Slight change to normal text within Latex block.)
- 17:39, 14 February 2019 (diff | hist) . . (-9) . . m 2019 AMC 12B Problems/Problem 16 (→Solution)
- 17:39, 14 February 2019 (diff | hist) . . (+146) . . m 2019 AMC 12B Problems/Problem 22 (→Problem: Added the set of solution)
- 17:38, 14 February 2019 (diff | hist) . . (+327) . . 2019 AMC 12B Problems/Problem 22 (→Problem: Added problem statement.)
- 17:07, 14 February 2019
(diff | hist) . .
**(+895)** . . 2019 AMC 10B Problems/Problem 23 (→Solution: Added solution.) - 17:03, 14 February 2019 (diff | hist) . . (+3) . . m 2019 AMC 12B Problems/Problem 19 (→Problem: Changed $ to dollar signs until I can fix the problem.)
- 17:01, 14 February 2019
(diff | hist) . .
**(+892)** . . 2019 AMC 12B Problems/Problem 19 (→Problem: Added problem statement.) - 16:59, 14 February 2019
(diff | hist) . .
**(+1,244)** . . 2019 AMC 12B Problems/Problem 16 (→Solution: I pasted the solution here. It was originally on the 12B 19 (incorrect), so I just moved it here.) - 16:58, 14 February 2019
(diff | hist) . .
**(-1,815)** . . 2019 AMC 12B Problems/Problem 19 (Do regret to say this, but this is actually AMC 12B problem 16 and not 19. However, I will simply transfer the solution over to Problem 16.) (Tag: Replaced) - 16:57, 14 February 2019
(diff | hist) . .
**(+592)** . . 2019 AMC 12B Problems/Problem 18 (→Problem: Added problem statement (but not answer choices).) - 16:48, 14 February 2019
(diff | hist) . .
**(+701)** . . 2019 AMC 12B Problems/Problem 16 (→Problem: Added problem statement.) - 16:45, 14 February 2019
(diff | hist) . .
**(+647)** . . 2019 AMC 12B Problems/Problem 13 (I have transferred a solution that was put up on Problem 16 (accidentally) and put it here as "Solution Variant".) - 16:44, 14 February 2019
(diff | hist) . .
**(-625)** . . 2019 AMC 12B Problems/Problem 16 (→Solution: I have moved the solution to its proper place at Problem 13. This site is for Problem 16.) - 16:42, 14 February 2019 (diff | hist) . . (+50) . . m 2019 AMC 12B Problems/Problem 12 (→Solution 1: Fixed typo.)
- 16:42, 14 February 2019 (diff | hist) . . (+477) . . 2019 AMC 12B Problems/Problem 12 (Added new solution.)
- 16:39, 14 February 2019 (diff | hist) . . (+60) . . m 2019 AMC 12B Problems/Problem 12 (→Problem)
- 16:39, 14 February 2019 (diff | hist) . . (+496) . . 2019 AMC 12B Problems/Problem 12 (→Problem: Added problem statement.)
- 16:37, 14 February 2019 (diff | hist) . . (+13) . . m 2019 AMC 12B Problems/Problem 11 (→Solution: Slight adjustment to answer box format.)
- 16:37, 14 February 2019 (diff | hist) . . (+24) . . 2019 AMC 12B Answer Key (Oops! Changed formatting!)
- 16:36, 14 February 2019 (diff | hist) . . (+117) . . 2019 AMC 12B Answer Key (Added answer key.)
- 16:34, 14 February 2019 (diff | hist) . . (+410) . . 2019 AMC 12B Problems/Problem 10 (→Solution: Added solution.)
- 16:32, 14 February 2019 (diff | hist) . . (+118) . . 2019 AMC 12B Problems/Problem 10 (→Problem: Added solution options with good Latex)
- 16:32, 14 February 2019 (diff | hist) . . (+123) . . 2019 AMC 12B Problems/Problem 9 (→Problem: Added solution set with good Latex.)
- 16:31, 14 February 2019 (diff | hist) . . (+474) . . 2019 AMC 12B Problems/Problem 10 (→Problem)
- 16:17, 14 February 2019 (diff | hist) . . (-1) . . m 2019 AMC 10B Problems/Problem 10 (→Solution 3: fixed typo)
- 16:17, 14 February 2019 (diff | hist) . . (+433) . . 2019 AMC 10B Problems/Problem 10 (Added new solution.)
- 16:14, 14 February 2019 (diff | hist) . . (0) . . m 2019 AMC 10B Problems/Problem 7 (→Solution 3: Fixed small typo)
- 20:50, 28 May 2018 (diff | hist) . . (-60) . . m 2018 AIME I Problems/Problem 9 (→Solution 1)
- 18:17, 16 April 2018 (diff | hist) . . (+36) . . m Proper divisor (→See Also)
- 18:14, 16 April 2018 (diff | hist) . . (0) . . 2016 USAMO Problems/Problem 4
- 18:12, 16 April 2018
(diff | hist) . .
**(+835)** . . 2016 USAMO Problems/Problem 4 (Added solution.) - 21:23, 15 April 2018 (diff | hist) . . (-2) . . m 2014 USAJMO Problems/Problem 1 (→Solution) (current)
- 20:45, 15 April 2018
(diff | hist) . .
**(+2,401)** . . 2014 USAJMO Problems/Problem 4 (Added new solution.) - 15:01, 14 April 2018 (diff | hist) . . (+2) . . 2017 USAJMO Problems/Problem 2 (→Solution (1.5, x) where |x|>0)
- 15:00, 14 April 2018 (diff | hist) . . (-1) . . m 2017 USAJMO Problems/Problem 2 (→Solution (1.5, x) where |x|>0)
- 15:00, 14 April 2018
(diff | hist) . .
**(+1,045)** . . 2017 USAJMO Problems/Problem 2 (Added new solution) - 22:33, 9 April 2018 (diff | hist) . . (-85) . . m 2013 USAJMO Problems/Problem 2 (→Similar Second Solution and Inspiration) (current)
- 22:33, 9 April 2018
(diff | hist) . .
**(+1,636)** . . 2013 USAJMO Problems/Problem 2 (Added solution.) - 22:01, 8 April 2018
(diff | hist) . .
**(+3,426)** . . 2013 USAJMO Problems/Problem 4 (Added new solution.) - 22:44, 5 April 2018 (diff | hist) . . (0) . . m 2010 USAMO Problems/Problem 1 (→Operation Diagram: Changed * to ~ to avoid confusion)
- 22:43, 5 April 2018
(diff | hist) . .
**(+2,270)** . . 2010 USAMO Problems/Problem 1 (Added new solution.) - 17:31, 5 April 2018 (diff | hist) . . (+61) . . m 2010 USAJMO Problems/Problem 2 (→Proof: Added clarification)
- 17:05, 5 April 2018 (diff | hist) . . (+13) . . m 2010 USAJMO Problems/Problem 1 (→Solution Number Sense)

(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)