User contributions
- 22:55, 11 August 2024 (diff | hist) . . (-66) . . 2024 AMC 10A Problems
- 01:16, 24 July 2024 (diff | hist) . . (+576) . . N 2005 iTest Problems/Problem 37 (Created page with "Since we want to find the number of zeros at the end of <math>209!</math>, it is the same as finding the largest value of <math>n</math> such that <math>10^n</math> is a divis...") (current)
- 01:00, 24 July 2024 (diff | hist) . . (+5) . . 2005 iTest Problems/Problem 49 (current)
- 00:59, 24 July 2024 (diff | hist) . . (+129) . . N 2005 iTest Problems/Problem 49 (Created page with "In the word "ITEST", T is repeated two times. Since the two T's are identical, the number of permutations of "ITEST" is 5!/2!=60.")
- 18:29, 5 July 2023 (diff | hist) . . (+17) . . N Birthday problem (Created page with "Birthday problem.") (current)
- 15:15, 6 May 2023 (diff | hist) . . (-3) . . m 1997 AJHSME Problems/Problem 23 (→Solution) (current)