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Jan
4
revised Solving $2x^2 \equiv 7 \pmod{11}$
latex
Jan
4
revised Three digit number $ABC$ with $ABC = A + B^2 + C^3$
python code
Jan
4
revised Three digit number $ABC$ with $ABC = A + B^2 + C^3$
changed estimation technic, added solutions with A=0
Jan
3
revised Is $\text{Trace}(e^{XA+A^TX})$ a convex function of X?
latex
Jan
3
revised How does (wikipedia's axiomatization of) intuitionistic logic prove $p \rightarrow p$?
line numbers instead of bullets, makes iteasier to reference
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 :-)