24 March 2021

• 12:2312:23, 24 March 2021 diff hist −420 AMC historical results →Explanations of Awards: Updated based on 2021 results
• 10:0110:01, 24 March 2021 diff hist +5 AMC historical results →AMC 10B
• 10:0010:00, 24 March 2021 diff hist +5 AMC historical results →AMC 12B

20 February 2021

• 10:3810:38, 20 February 2021 diff hist 0 m AMC historical results →AIME I: undid previous erroneous “fix”
• 10:3710:37, 20 February 2021 diff hist 0 m AMC historical results →AIME I: typo

13 February 2021

• 06:1406:14, 13 February 2021 diff hist 0 m AMC historical results →AMC 12B: Update to match AMC Statistics
• 06:1406:14, 13 February 2021 diff hist −4 AMC historical results →AIME II: Update to match AMC Statistics - AIME 1 and 2 scores were reversed
• 06:1306:13, 13 February 2021 diff hist +4 AMC historical results →AIME I: Update to match AMC Statistics - AIME 1 and 2 scores were reversed
• 06:1206:12, 13 February 2021 diff hist 0 m AMC historical results →AMC 12B: Update to match AMC Statistics
• 06:1106:11, 13 February 2021 diff hist 0 m AMC historical results →AMC 10B: Update to match AMC Statistics
• 06:1106:11, 13 February 2021 diff hist 0 m AMC historical results →AMC 12B: Update to match AMC Statistics
• 06:1006:10, 13 February 2021 diff hist 0 m AMC historical results →AMC 12A: Update to match AMC Statistics
• 06:1006:10, 13 February 2021 diff hist 0 m AMC historical results →AMC 10B: Update to match AMC Statistics
• 06:1006:10, 13 February 2021 diff hist 0 m AMC historical results →AMC 10A: Update to match AMC Statistics
• 06:0906:09, 13 February 2021 diff hist 0 m AMC historical results →AMC 12B: Update to match AMC Statistics
• 06:0906:09, 13 February 2021 diff hist 0 m AMC historical results →AMC 12A: Update to match AMC Statistics
• 06:0806:08, 13 February 2021 diff hist 0 m AMC historical results →AMC 12A: Update to match AMC Statistics
• 06:0806:08, 13 February 2021 diff hist 0 m AMC historical results →AMC 12B: Update to match AMC Statistics
• 06:0706:07, 13 February 2021 diff hist 0 m AMC historical results →AMC 10B: Update to match AMC Statistics
• 06:0706:07, 13 February 2021 diff hist 0 m AMC historical results →AMC 10A: Update to match AMC Statistics
• 06:0706:07, 13 February 2021 diff hist 0 m AMC historical results →AMC 8: Update to match AMC Statistics
• 06:0606:06, 13 February 2021 diff hist −2 m AMC historical results →AIME II: 2 decimals for consistency
• 06:0406:04, 13 February 2021 diff hist 0 m AMC historical results →AIME I: Update to match AMC Statistics website

25 April 2019

• 19:4519:45, 25 April 2019 diff hist +24 m Joining an ARML team →Pittsburgh: sending 2 teams this year

19 March 2019

• 13:4013:40, 19 March 2019 diff hist 0 AMC historical results →AMC 10A: 50%-lie is not the average
• 00:1400:14, 19 March 2019 diff hist +3 m AMC historical results →AMC 10B
• 00:1400:14, 19 March 2019 diff hist −5 AMC historical results →AMC 10B: Data not out. Data for 10A was wrong, so this likely is too
• 00:0800:08, 19 March 2019 diff hist +1 AMC historical results →AMC 12A
• 00:0700:07, 19 March 2019 diff hist −1 AMC historical results →AMC 10A

10 March 2019

• 11:1511:15, 10 March 2019 diff hist −2 AMC historical results →AMC 10B: Not officially published
• 11:1511:15, 10 March 2019 diff hist 0 AMC historical results →AMC 10A: Not officially published

17 February 2019

• 02:2202:22, 17 February 2019 diff hist −2 AMC historical results →AMC 10B

16 February 2019

• 22:5922:59, 16 February 2019 diff hist −2 m AMC historical results →AMC 10B
• 22:5722:57, 16 February 2019 diff hist +28 m AMC historical results →AMC 12B

28 September 2018

• 23:1723:17, 28 September 2018 diff hist +3 m Pennsylvania mathematics competitions →Pennsylvania high school mathematics competitions: Updated URL for Marywood Contest

30 March 2018

• 10:3510:35, 30 March 2018 diff hist +5 AMC historical results →AMC 12A
• 10:3510:35, 30 March 2018 diff hist +5 AMC historical results →AMC 10A
• 10:3410:34, 30 March 2018 diff hist +1 AMC historical results →AMC 10B
• 10:3310:33, 30 March 2018 diff hist +1 AMC historical results →AMC 12B
• 10:3310:33, 30 March 2018 diff hist +5 AMC historical results →AMC 12B
• 10:3310:33, 30 March 2018 diff hist +4 AMC historical results →AMC 10B

16 March 2018

• 11:2311:23, 16 March 2018 diff hist +67 N File:Formula.jpg Given $f(x) = \frac{2^x+1}{2^x-1}$. What is the range of $f(f(x))$? current