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The sum of numbers from 1 to n (e.g. 1 to 100,  being 1+2+3+...n) is equal to [tex]\frac{n(n+1)}{2}[/tex].
Fahrenheit to Celsius: [tex]C = (F - 32) * \frac{5}{9}[/tex]
Celsius to Fahrenheit: [tex]F = (C* \frac{9}{5}) + 32[/tex]

K= Ã,°C + 273

Thank you for the informative tips, James.

Or the US should just hurry up and convert itself to the metric system already. :'(

general formula for alkynes: C_nH_2n-2

Quote from: ���°�²�¸Ì��´ on September 02, 2009, 04:38:19 PM
Or the US should just hurry up and convert itself to the metric system already. :'(

Seriously  baddood;

Curl (F)=(http://www.math.umn.edu/~nykamp/m2374/readings/divcurlnot/divcurlnot3x.png)

sin(1/2)Ã�‘=Ã,±âˆš(1-cosÃ�‘/2)

Area of a circle: [tex]Pi * ray^2[/tex]

giggle;

[spoiler]
<script language=JavaScript type="text/javascript">
var ray = window.parseInt (window.prompt("Enter the ray of the circle in centimeters here: ", ""));
var area = Math.PI * ray * ray;
window.alert ("Your circle's area is of " + area + " centimeters. ");</script>

giggle; giggle; giggle;

i dunno how to use Math.Pow :'([/spoiler]

a²+b²=c² giggle;

Quote from: Thyme on September 02, 2009, 04:59:06 PM
Area of a circle: [tex]Pi * ray^2[/tex]

giggle;

[spoiler]

Code Select


<script language=JavaScript type="text/javascript">
var ray = window.parseInt (window.prompt("Enter the ray of the circle in centimeters here: ", ""));
var area = Math.PI * ray * ray;
window.alert ("Your circle's area is of " + area + " centimeters. ");</script>

giggle; giggle; giggle;

i dunno how to use Math.Pow :'([/spoiler]

I can't code for shit. ;_;

Quote from: ���°�²�¸Ì��´ on September 02, 2009, 04:38:19 PM
Or the US should just hurry up and convert itself to the metric system already. :'(

we already tried

Quote from: Kaz on September 02, 2009, 05:25:30 PM
we already tried

let's try again baddood;

2+2=4

Area of a square=s2

x equals negative b plus or minus square root b squared minus 4ac all over 2a

sing to the tune of pop goes the weasel giggle;

i before e except after c

A negative times a negative is always a positive

Quote from: Ted on September 02, 2009, 05:55:12 PM
x equals negative b plus or minus square root b squared minus 4ac all over 2a

sing to the tune of pop goes the weasel giggle;

I was literally going to say this exact thing, minus the song part.

speed = distance/time

Sometimes, X =/= Y, but sometimes, X = Y.

=/= != ≠

d=m/v
f=ma
always use a condom

Quote from: YPR on September 02, 2009, 05:56:46 PM
i before e except after c

Ya know, I find this isn't true as much as it is supposedly is.

neighbor
weird

uh well I'm drawing a blank. But I was thinking about this a few weeks ago and I found maybe eight or nine words where e came before i, and I could think of very few where i came before e.

As for a helpful fact, capsaicin (the stuff that makes peppers hot) helps reduce headaches.

Quote from: Claquesous on September 02, 2009, 07:04:05 PM
Ya know, I find this isn't true as much as it is supposedly is.

neighbor
weird

uh well I'm drawing a blank. But I was thinking about this a few weeks ago and I found maybe eight or nine words where e came before i, and I could think of very few where i came before e.

As for a helpful fact, capsaicin (the stuff that makes peppers hot) helps reduce headaches.

science
species
their
weight

there's a lot of them and the UK has noticed n_u

http://www.npr.org/templates/story/story.php?storyId=105828991

If there is a plane traveling at speed c from point A to point B, and there is a headwind in the opposite direction, the ratio of the speed with and against the headwind vs. the still speed is:

1/(1-(v^2/c^2)

Quote from: Alyssa the Glowing Sole on September 02, 2009, 07:24:03 PM
If there is a plane traveling at speed c from point A to point B, and there is a headwind in the opposite direction, the ratio of the speed with and against the headwind vs. the still speed is:

1/(1-(v^2/c^2)

How's "Advanced" Topics in Physics?

Quote from: Satellite Anthem Icarus on September 02, 2009, 10:17:58 PM
How's "Advanced" Topics in Physics?

Well your sarcasm and skepticism doesn't reduce the fact that we're moving very quickly. I'm already measuring time in meters!