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
11,719
reputation
2
16
38

Eff

Just a person that also likes helping people when I can.

363
answers
19
questions
~251k
people reached
  • Member for 5 years, 4 months
  • 745 profile views
  • Last seen 2 hours ago

Communities (26)

Top Network Posts

Top Tags (183)

Score 156
Posts 63
Posts % 16
Score 146
Posts 46
Score 110
Posts 32
Score 86
Posts 37
Score 83
Posts 29
Score 77
Posts 17
View all tags →

Top Posts (382) All Questions Answers | Votes Newest

41 Why does the discriminant tell us how many zeroes a quadratic equation has? Jan 31 '17
40 Is the limit of $f(n) = n-n$ zero as $n\rightarrow \infty$? Dec 17 '16
38 Are infinitesimals equal to zero? Aug 17 '16
32 How does $\arctan(0)$ equal $\pi?$ Dec 27 '16
29 Derivative of $f(x)=e^7+\ln(4)$. Feb 20 '17
23 Is this question too easy or am I getting it wrong? Jun 11 '14
23 Can rational numbers have decimals? Sep 8 '14
23 Can you cancel out a term if equal to zero? Oct 21 '14
16 Is it OK to evaluate improper integrals this way? Dec 16 '14
14 Square root's inequality Apr 13 '15
View all questions and answers →

Badges (56)

Gold

2

Rarest

Silver

16

Rarest

Bronze

38

Rarest

View all badges →