yashsingh1/xdaforums huggingface dataset:
[T-Mobile, Samsung Galaxy SIII] SGT2012:
I am thinking to get Ensquared insurance because I worry my phone get stolen, or accidentally crack the screen . And mainly need it for the 2nd years. (No more manufacturer ensure.) However, that mean I pay more for the phone over all.

Right now there are several app that allow to track phone location, the protector case and screen protector are pretty high quality.

Should I still get insurance on it or not?
[T-Mobile, Samsung Galaxy SIII] omar300:
I got Ensquared for my s3, i have yet to test their respond in time of need but i heard good reviews about it.

Also you can protect you phone from physical damage but what about accidental water damage? and when phone is stolen no one keeps it turned on so your tracker apps will be useless. go with insurance, it will cost you half the price of phone but its better than paying full for new phone in time of need.
[Off-topic] beneath-a-burning-turtle:
Someone explain that to me
[Off-topic] king..kranium:
Well it will only equal one if you are rounding up to the nearest whole number! Other wise it obviously is itself.:rolleyes:

sent from my dx2 w/paranoid android
[Off-topic] ArmorD:
Uhh, no? 0.999999 is 0.999999 not 1...

Sent from my premium potato
[Off-topic] beneath-a-burning-turtle:
Go into the calculator, type in .9999999999 (ten 9's) and hit equals. My friend was telling me about how it equals 1, he learned it in pre-calc today or something
[Off-topic] tallyforeman:
Its close enough for government work :cool:
[Off-topic] veeman:
Yes, there's some skewed logic that makes .999 repeating equal 1. I'll have to look in my calc book and find it.
[Off-topic] TeeJay3800:
says "nope"
[Off-topic] 063_XOBX:
Or better yet.

58008 = Boobs.

Somebody explain the math for that.
[Off-topic] veeman:
Here's the mathematical proof.

That's the version that makes the most sense to me but there's tons more here

---------- Post added at 03:59 PM ---------- Previous post was at 03:57 PM ----------

0.1134
[Off-topic] BeerChameleon:
Actually its nine 9's :rolleyes:
[Off-topic] veeman:
And here's another explanation.
[Off-topic] veeman:
Did you even read the two links I provided?
[Off-topic] Archer:
Is 0.9999999999 = 1?

No. The clue is in the question.

Mathematicians make assumptions, and this is a classic case of that. They're saying, "It's so close to 1 that we may as well call it that." I'd love to see the mathematician that agrees with the thread title working for NASA and calculating safety measures for rockets. (Actually I wouldn't because it would mean people would likely die!)
[Off-topic] boborone:
It's because your calculator wants to output numbers beginning with a whole integer. 0.999 instead of .999. So it cuts off the last digit and rounds with it. 9 is greater than 5 and so it rounds up. Then carries the addition over to make it 1.

Does that make sense without having to go into great detail? Once you get into advanced mathematics, you need to learn how all the different types of calculators are programmed to operate. Cause you learn you can't trust them because of problems like the one you are using. So you learn some don't follow order of operation, some round off the last digit, some cut it off.

It's why I always liked programming my formulas and theorems in cpp and getting the answers that way with the libraries that we made in my group.
[Off-topic] veeman:
No. 0.999... or .9999 repeating is equal to 1.
[Off-topic] boborone:
Ummmmmmm..........................

No.jpg
[Off-topic] recolor-shrink-spool:
707 + 707 = 1414
[Off-topic] jRi0T68:
1>0.999999999, but the approximation is close.

It depends on what you're working on. If you were building a part for an aircraft and needed accuracy to be +/- .0001, it's the same. However, if I ordered to trade to $0.999999999 x 10^15 for $1.00 x 10^15, you'd be getting ripped off.
[Off-topic] boborone:
An easy test to figure out if your calculator rounds the last digit or cuts it off is to do 10÷6. Is the last digit a 6 or a 7. If it's 6, it cuts off, 7 it rounds off.
[Off-topic] prototype7:
QFE. It can go either way. Practically, .9999.....=1, simply because it is closer to 1 then any amount of 9s you could possibly put in a calculation. Really, .9999..... is not and will never equal 1, because technically it is .0000.....1 less than 1, even if we can never practically get to that last 1.
[Off-topic] Ichigo:
The problem is those proofs include 1/3 and 2/3, and say they are .33333333 and .666666666, which they are not.
[Off-topic] Deadly:
I think both 0.9999999.... & 1 would be pissed at this thread..:p

**Nothing is True... Everything is Permitted**

Muffins.. muffins everywhere!
[Off-topic] veeman:
There's other ones too. Go look at the wiki page that was posted earlier.

Sent from my Nexus 7
[Off-topic] Ichigo:
I'm too stubborn to believe that .999999999=1. I wouldn't believe it no matter who told me and no matter how many proofs there are.
[Off-topic] veeman:
Ladies and gentlemen, I present to you..... The United States of America.

Sent from my Nexus 7
[Off-topic] VeryCoolAlan:
The calculator rounds it.... Same with exponents and large numbers. Duh. :p
[Off-topic] Ichigo:
Actually my name's Joseph. :p
[Off-topic] finalhit:
Really though, it's not just practically true, it's actually true.

.9999999999... and 1 represents the same thing. It's actually not that hard to accept one you understand that these things you see on your screen are merely symbols that represent meaning.

.999999... and 1 looks different but they mean the same thing...mathematically.

This is not a calculator rounding issue, or a matter of practicality...they are mathematically the same thing.
[Off-topic] Ichigo:
Incorrect. .99999999999999 will never equal one. It will go on for infinity getting closer to one but never gets to it.
[Off-topic] veeman:
At infinity it equals one. Just because we can never reach it doesn't mean it doesnt exist.

Sent from my Nexus 7
[Off-topic] Ichigo:
No. If its .999999 with 1,000,000 9's, then its .00000001 with 999,999 0's away from one. This will go on forever.
[Off-topic] 063_XOBX:
I refuse to accept that the number 1 exists. At least .9999999999 has a square root that isn't itself.
[Off-topic] veeman:
That's what I just said. At infinity, it will equal one.

Sent from my Nexus 7
[Off-topic] Dankest:
I can count to one on my fingers, let's see you count to .999999 on yours. Simple math for you

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[Off-topic] veeman:
But if 1=.99999999... I can. But who gives a **** anyway. :)

Sent from my Nexus 7
[Off-topic] Dankest:
Lol and thats how this thread started

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[Off-topic] 85gallon:
Someone needs to inform Microsoft.
[Off-topic] prototype7:
Ok, what? No. :confused:

.99999.... is .9 repeating until infinity. At infinity, there will be... another 9. Why would the number magically change at infinity? Can we just agree to disagree, nobody is convincing anyone of anything now. :rolleyes::p

---------- Post added at 03:46 PM ---------- Previous post was at 03:45 PM ----------

That's because that has a finite number of 9s, we're talking about .9 repeating forever.
[Off-topic] veeman:
You entered a finite number of 9s. If you were to enter an infinite number of 9s, and if Excel could handle an infinitely large number, it would equal 10,000,000 (or whatever number it was you entered there)

Sent from my Nexus 7
[Off-topic] prepaidguy9081:
This whole post is hillarious.

Iff .99999=1 then it rationaly followes red=pink and girl=boy and cat=lion

They are all close but not the same.

If that concept is foreign to you. Go ask a 5th grader.

Or better yet slice the peel off an apple and go sell it as brand new whole apple. See how many people look at you funny.

Or even better. Write .999... out to complete infinity and when you get done hit me up.
[Off-topic] finalhit:
you can't think of it that way, don't treat .9999 repeating as if it were a terminating notation...because it is not. it doesn't behave the same way.

the string ".999999..." and "1" has the same meaning.

let me repeat zenos paradox for you as you seem to have completely ignored it.

in order to walk 100 miles, you must walk to the half-way point of 50 miles, then halfway of that to 75 miles, then 87.5 miles to 93.75, etc, etc, etc.

notice that this is an infinite sum of the midpoints to 100, if you kept adding each discrete term in this sum, you will never get to 100 (because you will be adding infinitely), but if you take the limit of this equation as it goes to infinity...

50+25+12.5+6.25+3.125+1.5625+.17825... etc etc etc.

the sum of this infinite series is 100, not practically 100; not some rounding issue by a calculator, not some crazy gut feeling you have; it is mathematically 100.

better yet, the value of 1, is also the sum of it's midpoints

.5 + .25 + 12.5 ...

and again, this never-ending series is equivalent to the value of 1, yes...you heard it here first

.5 + .25 + .125 .. = .9 + .09 + .009 +.0009... = 1

_____

that's your problem. you dropped out at 5th grade, and completely missed out on HS calculus.

done

---------- Post added at 01:08 PM ---------- Previous post was at 01:02 PM ----------

http://www.learner.org/courses/mathilluminated/units/3/textbook/04.php

who wants to bet that all these people who are so sure .99999...!=1 because it "doesn't" feel right to them has never bothered to open the links provided here that proves them wrong?
[Off-topic] Ichigo:
I just realized something.

1)You're stupid

2)It doesn't matter

Here is my conclusion:
[Off-topic] Dankest:
*thanks*

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[Off-topic] finalhit:
1) i know you are, but what am i?

2) do you have a bank account? guess what unimportant mathematical concept allows us to calculate interest continuously?

http://plus.maths.org/content/have-we-caught-your-interest

does it matter now?

http://answers.yahoo.com/question/index?qid=20110608120647AAX0l5D

how about now?

also, nothing to do with anything, but i think it's amazing.

e^(i*pi) = -1
[Off-topic] Dankest:
Touchè lol

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[Off-topic] Ichigo:
Grow up. "I know you are but what am I" How old are you? Are you that stupid that you couldn't tell I was speaking about you. Probably since you think .9999=1
[Off-topic] LoopDoGG79:
Bottom line, you have to have some understanding of higher math, or you will never understand or conceptualize the idea of infinite .999. Infinite .999... is, well infinate, and that changes everything. The rules of finite numbers don't apply.
[Off-topic] coincoin4ever:
The thing is that maybe for you this is not important and you don't care about it but pay respect to engineers and scientists who use this for your comfortable daily life
[Off-topic] prepaidguy9081:
So 5th grade dropouts get admited to state college?

---------- Post added at 06:10 PM ---------- Previous post was at 06:03 PM ----------

+1

Presumtions and assumptions are 99.9999999% wrong. so thats 100% now right?
[Off-topic] Dankest:
Lysol needs to get their damn facts straight!

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[Off-topic] LoopDoGG79:
99.9999999 does not equal 99.99999... for infinity. You are talking about apples and oranges.
[Off-topic] prepaidguy9081:
Just pokin fun
[Off-topic] finalhit:
i dont think .9999=1, i know .9999...=1 (note the elipsis)

big difference.

please stop ignoring arguments. you know you're wrong. stop trolling. you have yet to make any intelligent input to prove anything other than "i believe it is so, therefore it so". Also the whole "it doesn't matter" bit which is also wrong. you're basically wrong about everything. it's getting a bit sad.

btw, my use of "i know you are" is mockery of your awesome "you're stupid" retort. ad hominem attacks < math,

---------- Post added at 05:47 PM ---------- Previous post was at 05:45 PM ----------

apparently, you can. i hope your major doesn't require calculus.

also, stop changing the subject. this is not about .99999, it's about .99999...(again, elipsis).

.9999999...=1 is a mathematical fact.

again, just to reiterate to people who don't like reading.

.9999999 != .9999999... (elipsis means "repeating")

no one is saying that. however

.999999... = 1. this is factually true.
[Off-topic] Archer:
1. Stop arguing like a couple of brats. This is a public forum with rules that include one about being courteous to other members. Neither of you two are currently doing that.

2. .999999 = .999999

3. .999999... = .999999...

4. 1 is none of the above. It's 1.

Okay, so take points 2-4 as opinion. Just take point 1 seriously and chill out.
[Off-topic] finalhit:
but 2-4 are not opinions. 2 and 3 are true facts. 4 is a false fact. 1 = .9 repeating.

http://pbskids.org/arthur/games/factsopinions/

but i'll try to be more civil.
[Off-topic] LoopDoGG79:
In all due respect, your wrong. Please read the article.
[Off-topic] Archer:
Tom Hanks :)

In fairness, infinity doesn't exist so this is all conjecture since there's no such number as 0.999999 recurring. But, to state that 0.999999 recurring is equal to 1 is to suggest that infinity = 0, which is clearly not true.

I understand the concept that in all cases it makes sense to equivocate 0.999999 recurring to 1, for practical reasons, but to say they are the same is not true. I don't understand anyone saying they are the same - only that we say "It's close enough so we'll assume 1".
[Off-topic] Ichigo:
I know I'm wrong? I KNOW I'm right. OP needs to make a poll and ask if .9999999=1

I want to see what the results would be.

Anyways, Archer is right.
[Off-topic] vader860:
I think the thread has reached a limit. Pun intended :)
[Off-topic] 85gallon:
That settles it guys. Wikipedia says it is true!!! :laugh:

Wait, didn't they kill off Ted Kennedy about 8 months early and also say that Tony Blair worshiped Hitler??
[Off-topic] jRi0T68:
It is about limits, and I agree with Archer. They're not identical, yes I do understand the mathematical proofs, but it's still representing infinity in a manner we can understand.

Above all, though, since we're dealing with infinity, it just doesn't matter.

[YouTube]e9mf3Bypyk8[/YouTube]

Sent from the top of my muffin.
[Off-topic] finalhit:
ok, for the purpose of brevity, lets just say that anyone saying .9999....9 anywhere in this thread actually means .9 repeating. no one is talking about the terminating value of .9 or .99 or .999 etc.

anyway:

you can't prove things with a poll. if facts can be determined as such, the world will still be flat, and at least in the US, evolution would still be a scientific conspiracy. you can't "know" you're right. you've yet to present any argument supporting your thesis.

archer is not right, he is most definitely wrong.

i seem to be repeating myself over and over now because

either

a) consciously ignoring my arguments,

b) new people not reading the arguments.

Please read my zenos paradox argument and point out the flaw in it. I guarantee you there is no flaw. Sums of an infinite series is not compromise in practicality, but actual proof of facts.

Unless of course you believe that we are incapable of traversing any distance.

___

i'll post this here for the benefit of those with slow connections...

imagine you're walking 1 mile. to do so you must walk 1/9 of that mile (0.9 mile)

then you walk 1/9 of the remaining distance (0.09)....that's .9 + .09 = .99 mile

then you walk 1/9 of the remaining distance again (0.009), that's .9 + .09 + .009 = .999 mile.

notice the pattern?

you'll notice that you would actually never reach 1 mile. but we all know that's not true. walking 1 mile is perfectly plausible.

that's because the number 1, can be represented as the sum of this infinite series

.9 + .09 + .009 ... 9/(10^n)

.999999...=1

this statement does not mean that 0=infinity (i don't even know how this came about)

there is such a number of .999999..., it is the same number as 1.
[Off-topic] jRi0T68:
I'll also add scientists used to know the earth was flat, and that the structure of an atom is nothing like we think it is today. Sometimes, one must take such knowledge with a grain of salt, as our understanding of this universe is constantly changing, and many brilliant people disagree on many things.

Sent from the top of my muffin.
[Off-topic] Dankest:
Lol wikipedia, that site is more opinionated than this thread

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[Off-topic] finalhit:
it's one thing to think you're right because the the proof is on your side, then later one find new evidence that invalidates current information.

it's another to think you're right, when there's already evidence that has already proven you wrong.

as of now, calculus is part of how we see the world. if that changes later on, then fine, i'll happily eat crow.

this however does not mean that "facts" is some silly concept that everyone can call dibs on. This whole notion of "nothing is true, everything is an opinion" sort of makes everything pointless.
[Off-topic] veeman:
Unless some fundamental principles of mathematics change, I don't think this will change either. And as far as we know with current science/math this is accurate. Maybe it's time to redefine infinity.

And you can't really use that as an excuse to start calling B.S. on things that you think are wrong? (I don't even know if that made sense)

Sent from my Nexus 7
[Off-topic] vader860:
Limit
[Off-topic] jRi0T68:
I'm not using it as an excuse. I think at the core, everyone agrees almost 100%, maybe even 99.9999999999999%. It's a limit. It can be treated as 1. I think there is a difference, though. One so small that it just doesn't matter, it just doesn't matter...

It boggles my mind how much infantile bickering has happened here, though. At some point, one must agree to disagree.

Sent from the top of my muffin.
[Off-topic] Ichigo:
When I say .99999, I mean .999999 repeating. My keyboard doesn't have the repeating symbol.
[Off-topic] finalhit:
i completely agree that we disagree. but also, that i'm right, and you're wrong, and I say that in the most polite way possible.

the limit of 9/(10^n) as n approaches infinity is equal to 1, and not approximately one. in the context of this pointless thread, yea it doesn't matter, but concept as to why this is true does matter.

so yea, if we're just gonna end this thread with "lets agree to disagree"...why don't we just end all threads like this in this forum, because, well, it doesn't matter.

but of course, that really makes no sense. Calculus has proven that .99999...=1, think what you want, but respectfully, you are wrong.
[Off-topic] Ichigo:
But, in truth, Calculus has also proved that .999999... doesn't equal 1.
[Off-topic] Archer:
It's not possible to prove that 0.999999... = 1 because it doesn't.

No-one in this forum, in any forum, in a university or college, or the world has an understanding of what 0.999999... means. Infinity is a concept beyond human capacity.

It IS that we just say "it's close enough so we'll call it 1".

It's akin to saying #FE0000 is red. It's not. It just looks like it, but that doesn't make it so. We just call it red for the sake of ease.

When some people say that "it is 1", we all know what you mean, but in the literal sense it isn't 1. This is an argument about being pedantic or not. Nothing more.
[Off-topic] veeman:
But WHY isn't it one? We aren't even talking about it being close to one. We're talking about limits.

Sent from my Nexus 7
[Off-topic] LoopDoGG79:
Just saying it ain't so, won't make it not so. Fin has math that can be verified to back him up. Just because something does not fit your world , does not make it false. If you read up on quantum math and it's implications, you would out right call it bull, but the math is solid, and has been shown as the most accurate representation reality for the last 50 years. Then again, maybe you are just trolling.
[Off-topic] finalhit:
ok, pretty sure you're just trolling now.

Again, this is not true.

when mathematicians say this, they mean this, with the exact definition of equality. .999...=1

please refer back to the zenos paradox explanation i've mention. denying that .999...=1 means you don't believe you can walk 1 mile, rather, you can only walk approximately 1 mile; but you know this is not true, you can walk 1 mile (health/nerd jokes aside)

1 is equal to the sum of an infinite series of 9/(10^n) as n approches infinity....by the true definition of equality. they are one and the same. the are different representation of the exact same value.

this is not akin to saying #FF0000=#FE0000 because these things are similar but they are not equal. this is a bad loaded argument. notice that neither FF0000 or FE0000 are infinitely repeating.

unless we're talking about FEEEEE.EEEEE repeating, then maybe. (i actually don't know if same principle is true at base 16, as my base 16 algebra is terrible)

.999...=1 because it's proven to be 1.

with respect, your only argument now is "i don't understand, therefore no one understands". this is not a valid argument.
[Off-topic] Archer:
Okay, if we're going to assume infinity is a "real thing" (which I know it's not) then let's also assume that the ellipsis mean recurring....

0.999999... + 0.000000...1 = 1

That's why.

If you can accept recurring numbers then you also have to accept infinitely small amounts of differences between numbers. That's why it's not 1. You only have to look at it to see the difference.

If 0.999999... == 1, it wouldn't be represented as 0.999999.... It would be represented as 1. It's not, so it isn't the same.
[Off-topic] veeman:
What about the infinite series argument that was posted earlier.

Sent from my Nexus 7
[Off-topic] DROIDRAZ:
Makes sense...
[Off-topic] Archer:
Thank you. You've hit the nail on the head there.

My A level maths teacher once told me how he got his Son to eat most of his greens (he didn't like vegetables, so it was a bit of a struggle).

When his son had finished eating everything else on the plate he would ask why he hadn't eaten his greens. His Son would reply, "I don't like them". So he would say, "Just eat half of them". His Son would then do so. He would then say, "Just eat half of what's left". His Son would again comply. He would then keep this up until there was virtually nothing left, at which point he would say to himself, "That's enough. I'm happy he's eaten most of his greens."

The point is that no matter how many times his Son ate half of his greens he would never eat them all.

With respect, your only argument now is, "I don't understand".
[Off-topic] prototype7:
What about it? In no way does it prove that .99999...=1. If, going with the previous example, you keep walking a fraction of the remaining distance each time, it's only common sense that you'll never reach the 1 mile mark. You can get so infinitely close that there's no possible way to see you haven't made it, but the distance is still there, even if it isn't practical in math to attempt to acknowledge that.

---------- Post added at 12:32 AM ---------- Previous post was at 12:30 AM ----------

Beat me to it :p

---------- Post added at 12:33 AM ---------- Previous post was at 12:32 AM ----------

Why am I doing math at 12:30 at night? I'll be here to argue some more in the morning :rolleyes:
[Off-topic] finalhit:
sorry but no.

this is not a valid proof. your thesis is that

.999999... < 1

and you attempt to prove it by assuming your thesis, that is:

.9999999... + (some finitely small number) = 1.

you didn't really prove anything, but merely restated your thesis.

i can merely restate your argument to support my argument

.99999.... + 0.000...1 = 1.000...1
[Off-topic] Archer:
That maths is wrong, but regardless, you can't prove something that isn't true, so refer back to my previous post to see why I'm on the opposite side of the fence from you.