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PI = 3.14159265...

SagaLore

SagaLore

Elite Member
Okay so we all know and love PI.

I want to know if there is any number set that can bring PI close to a properly divisible, non-repeating number. Even if it is a theoretical base with no practical application.
 
Originally posted by: SagaLore
Okay so we all know and love PI.

I want to know if there is any number set that can bring PI close to a properly divisible, non-repeating number. Even if it is a theoretical base with no practical application.
Click to expand...

And what hte hell is this question exactly?

3?
 
Originally posted by: mwtgg
Originally posted by: Jon855
Originally posted by: feelingshorter
Originally posted by: dartworth
does .9999999999999999999999999999999999 = 1 ?
Click to expand...

yes
Click to expand...

NO IT DOES NOT...

.99999999999999999999999 != 1.0
Click to expand...

You are so right...









.999... = 1
Click to expand...

lol, actually i have seen it both ways. I tried to prove it doing the easy fractions method, and the math prof said that unless I could prove it using only variables, it wasnt a proper proof. He went on to say that .9999... =1 went against some sort of "law of limits".

All I know is I don't really care. I am an engineer and as long as its within 2% i am happy.
Crazy math people.

http://www.math.cornell.edu/~dwh/courses/M122-S00/supplements/AA-99=1.html
 
Originally posted by: Zim Hosein
Originally posted by: feelingshorter
Originally posted by: dartworth
does .9999999999999999999999999999999999 = 1 ?
Click to expand...

yes
Click to expand...

No :evil:
Click to expand...

Proof:

Let x = 0.99999999999999999999999999...
then 10x = 9.9999999999999999999999999...

10x - x = 9 (since everything after the decimal cancel's out)
9x = 9
x = 1

Hence 0.999999... = 1

Q.E.D.
 
Originally posted by: hypn0tik
Originally posted by: Zim Hosein
Originally posted by: feelingshorter
Originally posted by: dartworth
does .9999999999999999999999999999999999 = 1 ?
Click to expand...

yes
Click to expand...

No :evil:
Click to expand...

Proof:

Let x = 0.99999999999999999999999999...
then 10x = 9.9999999999999999999999999...

10x - x = 9 (since everything after the decimal cancel's out)
9x = 9
x = 1

Hence 0.999999... = 1

Q.E.D.
Click to expand...

you are right, but Zim is right also. Look closer at dartworth's post
 
Originally posted by: hypn0tik
Originally posted by: Zim Hosein
Originally posted by: feelingshorter
Originally posted by: dartworth
does .9999999999999999999999999999999999 = 1 ?
Click to expand...

yes
Click to expand...

No :evil:
Click to expand...

Proof:

Let x = 0.99999999999999999999999999...
then 10x = 9.9999999999999999999999999...

10x - x = 9 (since everything after the decimal cancel's out)
9x = 9
x = 1

Hence 0.999999... = 1

Q.E.D.
Click to expand...

What about if you don't cancel the decimal?

okay here goes...

.999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999
999999999999999999999999999999999999999

IS NOT

1.0

And that's just logically right.
 
Originally posted by: stan394
Originally posted by: hypn0tik
Originally posted by: Zim Hosein
Originally posted by: feelingshorter
Originally posted by: dartworth
does .9999999999999999999999999999999999 = 1 ?
Click to expand...

yes
Click to expand...

No :evil:
Click to expand...

Proof:

Let x = 0.99999999999999999999999999...
then 10x = 9.9999999999999999999999999...

10x - x = 9 (since everything after the decimal cancel's out)
9x = 9
x = 1

Hence 0.999999... = 1

Q.E.D.
Click to expand...

you are right, but Zim is right also. Look closer at dartworth's post
Click to expand...

Ah, I missed the dots (or lack thereof).
 
Originally posted by: SagaLore
Okay so we all know and love PI.

I want to know if there is any number set that can bring PI close to a properly divisible, non-repeating number. Even if it is a theoretical base with no practical application.
Click to expand...

No, Pi is transcendental.
 
Don't you guys dare hijack this thread with that debate. :frown:

I want to know because I want to know. It has been bugging me for many years.
 
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