# Anurag Kalia

reputation
7
bio
website        inchunksandbits.wordpress.com
location       New Delhi, India
age            20
member for     1 year
seen           May 14 at 2:24
profile views  29

Since this is an introduction that spans the entirety of the Stack Exchange network, I would just like to say... I love them all!

|          |                | bio              | visits                        |                |        |
|----------|----------------|------------------|-------------------------------|----------------|--------|
|          | 170 reputation | website          | inchunksandbits.wordpress.com | member for     | 1 year |
| 7 badges | location       | New Delhi, India | seen                          | May 14 at 2:24 |        |

# 7 Comments

|       |         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
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| Jan17 | comment | Volume between two paraboloidsTry curve tracing to visualize the problem in 3D.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Dec5  | comment | How can I introduce complex numbers to precalculus students?I always imagine complex numbers as a plane, only with one axis as the imaginary numbers. I thought it was the only way to do it, really!                                                                                                                                                                                                                                                                                                                                                                                                         |
| Aug28 | comment | Number of points at which a tangent touches a curve@RobertIsrael - He said it exactly like I said. Maybe he didn't want me to get into detail - I'll give him benefit of doubt since he was at the end correct. Plus, he is otherwise an excelent teacher!                                                                                                                                                                                                                                                                                                                                                    |
| Aug24 | comment | Number of points at which a tangent touches a curveThis seems intriguing, and though I don't understand bits of it right now, I would have just have to study more. Thanks for your answer. I was expecting something of this kind from this site. :-)                                                                                                                                                                                                                                                                                                                                                        |
| Aug8  | comment | What are the points of discontinuity of $\tan x$?So you are saying any discreet function is continuous? That is logical if one comes to think about it. Plus, I am sorry I couldn't get the part of essential discontinuity. What does the notation D-dash mean?                                                                                                                                                                                                                                                                                                                                              |
| Aug8  | comment | What are the points of discontinuity of $\tan x$?Actually, the definition in any textbook I referred to give the definition of points of continuity only. They are dead silent when talking about discontinuity, whether f(c) needs to be defined or not adding to the confusion.                                                                                                                                                                                                                                                                                                                             |
| Aug8  | comment | What are the points of discontinuity of $\tan x$?I read about the extended real line in calculus as $\mathbb R \bigcup \infty$. That is, they treat $\infty$ and $-\infty$ as the same. How can they be same? There is at least a minus sign as a point of difference between the two.  Wikipedia on compactification asks to treat real line as a circle where its open ends meet at $\infty$. Yet real line is infinite in length! Do we treat the radius of this circle to be infinite too?  Isn't it just more practical to add two points, $+\infty$ and $-\infty$ to real line, and more intuitive too? |
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