Stack Exchange Network

Stack Exchange network consists of 175 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
5,539
reputation
11
17

johannesvalks

Apparently, this user prefers to keep an air of mystery about them.

222
answers
1
question
~455k
people reached
  • Member for 4 years, 11 months
  • 815 profile views
  • Last seen May 5 at 20:35

Communities (5)

Top network posts

We respect a laser-like focus on one topic.

Top tags (135)

Score 85
Posts 13
Posts % 6
Score 73
Posts 46
Score 63
Posts 25
Score 43
Posts 17
Score 28
Posts 14
Score 27
Posts 20
View all tags →

Top posts (223) All Questions Answers | Votes Newest

60 Help me solve my father's riddle and get my book back Jul 21 '14
13 How can I find the points at which two circles intersect? Jul 20 '15
12 Integrating $\int \sqrt{x+\sqrt{x^2+1}}\,\mathrm{d}x$ Aug 21 '15
12 Is $\ln(x)$ ever greater than $x$? Jun 25 '14
10 Inverse of constant matrix plus diagonal matrix Jun 20 '14
9 What is $0\div0\cdot0$? Jul 30 '15
8 Find $\int_0^1(\ln x)^n\hspace{1mm}dx$ Jul 28 '15
8 Physical meaning of linear ODE $xy''+2y' + \lambda^2 x y = 0$ Jun 12 '15
7 Probablity that 3 husbands sit next to their wives round a circular table Jul 10 '14
7 Why does the Pythagorean Theorem have its simple form only in Euclidean geometry? Jul 26 '15
View all questions and answers →

Badges (28)

Gold

—

Silver

11

Rarest

Bronze

17

Rarest

View all badges →