Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

  7. current community

    your communities

    more stack exchange communities

    company blog
Mathematics
Meta User
Network Profile
414
reputation
3
15

Columbo

GPG fingerprint: B072 0742 DC33 5E0A 7E1E 6949 C706 1E5C 6886 E187 (https://keybase.io/arcoth)

Retired LAPD lieutenant and C++ aficionado. Sole recipient of the gold badge and BSI C++ member. Mail: r dot hl@gmx.net. If you're a German speaker, come join us at c-plusplus.net.

9
answers
6
questions
~8k
people reached
  • London, UK
  • ArcothR
  • Arcoth
  • Member for 4 years, 9 months
  • 128 profile views
  • Last seen May 30 '18 at 19:30

Communities (27)

Top Network Posts

Top Tags (24)

Score 24
Posts 6
Posts % 40
Score 23
Posts 2
Score 23
Posts 2
Score 22
Posts 1
Score 4
Posts 2
Score 2
Posts 1
View all tags →

Top Posts (15) All Questions Answers | Votes Newest

22 Is an arbitrary number of the form xyzxyz divisible by 7, 11, 13? Oct 28 '15
11 Conditionally convergent power sums Mar 27 '16
2 How to prove this? $ \lim_{x \to 0}\frac{e^x-1}{x}=1 $ Feb 5 '15
2 Going through all Bit Strings with no 11 in it (no consecutive 1s) May 25 '14
2 Intersection of polar curve with line May 13 '15
2 Limit of $\frac{1}{\sqrt[n]{n!}}$ as $n$ approaches infinity Feb 11 '15
1 Prove or disprove: There exists a prime p > 3 such that p + 2 and p + 4 are also prime Apr 13 '15
1 Dot Product Question Apr 13 '15
1 How is this identity for Fibonacci numbers called? Jan 5 '16
1 Why does this cube root trick work? Feb 10 '15
View all questions and answers →

Badges (18)

Gold

—

Silver

3

Rarest

Bronze

15

Rarest

View all badges →