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visits member for 3 years, 1 month
seen Oct 19 at 15:18

Sep
22
accepted Is MDCDXXXIV a correct roman numeral?
Jun
27
accepted What is the shortest sequence that contains every permutation of $1..n$?
Jun
25
accepted Trick to find multiples mentally
Jun
25
accepted What is $\gneq$?
Jun
7
accepted How to prove such a function doesn't exist?
Nov
21
accepted Why isn't a harp in a logarithmic shape?
Oct
28
accepted How to solve $x\cdot\mathrm e^x=1$?