9 June 2025

• 14:0414:04, 9 June 2025 diff hist −1 2024 AIME I Problems/Problem 1 →Problem current

20 February 2025

• 17:0017:00, 20 February 2025 diff hist +3 m 1984 AIME Problems/Problem 9 →Solution 4 (coord/vector bash)
• 16:5916:59, 20 February 2025 diff hist 0 m 1984 AIME Problems/Problem 9 →Solution 2 (Rigorous)

10 January 2025

• 15:3615:36, 10 January 2025 diff hist +41 2004 AMC 12A Problems/Problem 22 →Solution 1

26 February 2024

• 19:2019:20, 26 February 2024 diff hist −2 1985 AJHSME Problem 25 →Solution 1
• 19:1919:19, 26 February 2024 diff hist 0 1985 AJHSME Problem 25 →Solution 1

24 December 2023

• 14:4614:46, 24 December 2023 diff hist −223 Asymptote (Vector Graphics Language) →See also