3 November 2025

• 17:1417:14, 3 November 2025 diff hist +615 2024 AMC 12A Problems/Problem 18 Solution 9 current

28 September 2023

• 07:2907:29, 28 September 2023 diff hist +21 2020 IMO Problems/Problem 1 →solution 1

8 November 2022

• 12:1712:17, 8 November 2022 diff hist +27 m 2019 AMC 12B Problems/Problem 17 →Solution 1

20 October 2021

• 14:5614:56, 20 October 2021 diff hist +362 2020 AMC 10B Problems/Problem 17 →Solution 1

5 October 2021

• 13:4913:49, 5 October 2021 diff hist −1 m 2018 AMC 10B Problems/Problem 21 →Solution 4 (Using the answer choices)

4 October 2021

• 14:4114:41, 4 October 2021 diff hist +3 m 2018 AMC 10B Problems/Problem 21 →Solution 4 (Using the answer choices)
• 14:4014:40, 4 October 2021 diff hist +291 m 2018 AMC 10B Problems/Problem 21 →Solution 4 (Using the answer choices)