Covi

less info

network profile

228 reputation

110

bio	website
	location
	age
visits	member for	2 years, 9 months
	seen	May 17 at 7:35
stats	profile views	50

summary answers questions tags badges favorites bounties reputation activity

7 Questions

votes activity newest

7	Undergraduate/High-School-Olympiad Level Introductory Number Theory Books For Self-Learning
7	“Counting Tricks”: using combination to derive a general formula for $1^2 + 2^2 + \cdots + n^2$
3	A high school competition-level problem concerning sum and sequence
2	Maximum number of triangles formed by points on a square?
1	Proof that ${1, \sin x, \cos x, \sin 2x, \cos 2x}$ is linearly independent

view more

228 Reputation

This user has no recent positive reputation changes

view more

2 Answers

votes activity newest

5	A comprehensive list of binomial identities?
0	What's the derivative?

13 Tags

5 combinatorics × 4	0 real-analysis
5 reference-request × 2	0 contest-math
5 discrete-mathematics	0 sequences-and-series
5 binomial-coefficients	0 recreational-mathematics
0 calculus	0 number-theory

view more

11 Accounts

$TeX - LaTeX Stack Exchange$	TeX - LaTeX	459 rep	1511
$Mathematics Stack Exchange$	Mathematics	228 rep	110
	Area 51	151 rep
	German Language & Usage	143 rep	2
	Philosophy	114 rep	1

11 Badges

recent class name

Yearling	Commentator
Popular Question	Teacher
Citizen Patrol	Supporter
Tumbleweed	Scholar
Promoter	Student

view more

0 Active bounties

active offered earned

This user has no active bounties

9 Votes Cast

all time			by type
9	up		0	question
0	down		9	answer

Technology			Life / Arts	Culture / Recreation	Science	Other
Stack Overflow Server Fault Super User Web Applications Ask Ubuntu Webmasters Game Development TeX - LaTeX	Programmers Unix & Linux Ask Different (Apple) WordPress Answers Geographic Information Systems Electrical Engineering Android Enthusiasts IT Security	Database Administrators Drupal Answers SharePoint User Experience Mathematica more (14)	Photography Science Fiction & Fantasy Seasoned Advice (cooking) Home Improvement more (13)	English Language & Usage Skeptics Mi Yodeya (Judaism) Travel Arqade (gaming) Bicycles Role-playing Games more (22)	Mathematics Cross Validated (stats) Theoretical Computer Science Physics more (7)	Stack Apps Meta Stack Overflow Area 51 Stack Overflow Careers

site design / logo © 2013 stack exchange inc; user contributions licensed under cc-wiki with attribution required

rev 2013.5.24.702