Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#176 Re: This is Cool » e to a million places! » 2006-12-09 04:24:09

So, uh, should we make some poem or something?

#177 Re: This is Cool » 0.9999....(recurring) = 1? » 2006-12-09 04:20:38

So I guess that the official notation for this would be
lim(.999...)=1
Tell me if I am using the limit wrongly.

#178 Re: This is Cool » pentagon conjecture » 2006-12-08 14:33:55

Sorry... I totally edited this message because I wasn't clear in my first post.
EDIT: I can believe MathsIsFun, but that wasn't the ratio I meant. It's the side of the inner pentagon I meant. (Not the diagonal) Sorry for the confusion. Also, I probably calculated it wrong. Shame on me for not using a calculatorshame.

#179 Re: This is Cool » Nullity? » 2006-12-08 14:19:10

Nullity is null and void.

#180 Re: This is Cool » pentagon conjecture » 2006-12-07 15:13:03

OK, how does the Golden Ratio corrospond to 2.013?

#181 Re: This is Cool » How to win the lottery? » 2006-12-07 14:57:56

Oh. The only other thing that could stand in one's way is the way it's played. I'm most familiar with the Colorado Lottery, and unless you are either speaking for all of them, or you are not familair with all of the rules. I guess this is a time to hit the websites and books HARD.

#182 This is Cool » coincidence with pi/2? » 2006-12-07 14:41:58

simron
Replies: 1

Hey, I looked on a graphing calculator and found that the limit of acos(x)-(pi/2) as x goes to 0 equals 0. Here's the only iffy part: is pi/2 a coincidence just popping up as some random number, or does the acos function acually really relate to pi/2?:/

#183 Re: This is Cool » How to win the lottery? » 2006-11-30 09:11:14

Hold on- I've heard that sometimes nobody wins.

#185 Re: This is Cool » e to a million places! » 2006-10-07 07:54:19

I don't really care about the numbers, I just scroll down and think about the power of computers these days! When I first saw this, I was amazed!faint

#186 Re: This is Cool » Pi to a Million Decimal Places! » 2006-10-07 07:39:50

Hey, there's another way to memorize the first like, 10 decimal places. First, memorize this:
May I have a large container of orange juice now please?
Then just count the number of letters in each word and put a decimal point after 3.
3.141926536
I just like to leave it like pi.

#187 This is Cool » pentagon conjecture » 2006-10-07 07:02:08

simron
Replies: 12

You may have noticed this before, but here goes:
1. Draw a regular pentagon.
2. Make a star in there by connecting every other vertex
3. Draw a star in that one by the same method
The pattern is the larger star's length is about 2.013 times the smaller star's length.
This number might be irrational (though I have no way to find out. dunno)

Board footer

Powered by FluxBB