Jan
2
revised Is $1234567891011121314151617181920212223…$ an integer?
removed the invalid "the number" in title
Jan
2
revised The $2013$th digit of $1234567891011213141516\ldots$
changed "number" to "string" becuase this is not a number
Jan
1
revised Prime Number Sieve using LCM Function
formatted maxima code
Dec
31
revised How many zeroes would be there at the end of $11^{(5!)!}-1$?
added 30 characters in body; edited tags
Dec
31
revised How many combinations can a group of n people form?
subsets with one elemnt must be excluded
Dec
31
revised Solving $\sqrt{x^2-5} = x-1$
edited title
Dec
22
revised Prove if n<m there is at least one [(n/m)]?
rolled back to initial version because the wording of the question qas changed
Dec
22
revised Prove if n<m there is at least one [(n/m)]?
rolled back to initial version because the wording of the question qas changed
Dec
22
revised Prove if n<m there is at least one [(n/m)]?
rolled back to a previous revision
Dec
22
revised Prove if n<m there is at least one [(n/m)]?
rolled back to a previous revision
Dec
22
revised Knapsack problem NP-complete
typo
Dec
21
revised Knapsack problem NP-complete
added 48 characters in body
Dec
21
revised Knapsack problem NP-complete
rearranged two expressions
Dec
21
revised Knapsack problem NP-complete
typo
Dec
19
revised How are the elementary arithmetics defined?
Leopold Kronecker, not Ludwig :-)
Dec
19
revised Proving that this function is negligible
edited tags
Dec
18
revised Prove $a^ab^bc^c\ge (abc)^{\frac{a+b+c}3}$ for positive numbers.
typo correction, latex improvement
Dec
3
revised Solving linear first order differential equation with hard integral
improved format
Dec
1
revised Confused on a question on sets and functions
typo
Dec
1
revised Confused on a question on sets and functions
typo