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
972
reputation
10
25

A_for_ Abacus

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

7
answers
117
questions
~34k
people reached
  • Member for 5 years, 2 months
  • 305 profile views
  • Last seen 19 hours ago

Communities (26)

Top network posts

Top tags (67)

Score 6
Posts 7
Posts % 6
Score 0
Posts 64
Score 0
Posts 21
Score 0
Posts 10
Score 0
Posts 6
Score 0
Posts 5
View all tags →

Top posts (124) All Questions Answers | Votes Newest

11 Prove $\sum\limits_{i=0}^n\binom{i+k-1}{k-1}=\binom{n+k}{k}$ (a.k.a. Hockey-Stick Identity) [duplicate] Jun 14 '14
8 Is this a polynomial? Jun 16 '14
8 Meaning of math symbol ~ Jun 30 '14
8 Confused about when to convert units Jul 2 '18
7 What do Indeterminate Forms mean? Mar 1 '18
6 Derivatives: simplifying “d” of a number without being over “dx” Oct 24 '16
5 Derivatives: simplifying “d” of a number without being over “dx” Oct 24 '16
5 Third Moment of Geometric Series? Feb 27 '18
4 Addition Rule for Expectations Feb 9 '18
4 Why does Trig Substitution need the substitution to be one-to-one? Oct 14 '16
View all questions and answers →

Badges (35)

Gold

—

Silver

10

Rarest

Bronze

25

Rarest

View all badges →