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seen Aug 19 at 14:44

Jul
26
reviewed Reject suggested edit on About p-adic numbers
Jul
25
awarded  Custodian
Jul
25
reviewed Approve suggested edit on Finding the zeros of trionometric polynomails.
Jul
25
reviewed Approve suggested edit on Derivative of $\sqrt{x^2+1}$
Jul
25
reviewed Approve suggested edit on What is the reason for the one-half in the normal pdf's gaussian (i.e. : why $\exp(-x^{2}/2)$ instead of $\exp(-x^{2})$ )
Jul
11
awarded  Good Question
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
Jun
18
comment Connectivity of $\mathbb R$
The first $\cap$ should be $\cup$. You'll have to add your definition of connectedness.
Jun
13
awarded  Popular Question
May
15
awarded  Nice Question
Feb
24
answered Why is there antagonism towards extended real numbers?
Feb
15
comment What's the intuition behind Pythagoras' theorem?
"If at all possible, find a better teacher" - You shouldn't reinforce the OP's disrespect of his/her teacher based on a single quote you didn't hear directly.
Feb
6
awarded  Notable Question
Dec
29
comment Evaluating $\lim_{n\to \infty } \, \left(\sum _{k=1}^{\infty } \frac{1}{n}\right)$
A calculus example of such a use of $\infty$ is the pretty common (and easy to memorize) definition of $\limsup_{n\rightarrow\infty}x_n$ as $\lim_{n\rightarrow\infty}\sup_{k\geq n}x_k$.
Oct
17
awarded  Nice Answer
Sep
13
awarded  Yearling
Jul
21
comment Left Multiplication Ring Homomorphism
You mean a ring without unity, right?
Jul
11
comment fixed lines of a collineation with exactly one fixed point
Thank you very much!
Jul
11
accepted fixed lines of a collineation with exactly one fixed point