Wikipedia gives PI as…
3.1415926535897932384626433832795
… is this correct? Can someone give me a link to a concrete source for Pi. Thank you.
Those are indeed the first several digits of π (why would you doubt them?). Wikipedia itself is a fine reference on the subject; what more do you want from “a concrete source for Pi”?
I’m not really doubting Wiki, I’m just having a problem with a puzzle. I’m sure it’s my mistake. Sorry, humor me.
Why wouldn’t a reasonable person have a certain amount of skepticism with regards to Wikipedia? As it happens, those are the correct first few digits, but I could go change those digits to 3.1415926535897932491463798 if I wanted to, right now. Sure, the change would probably last all of two minutes before being reverted, and Wikipedia is generally a fine tertiary source as a first line, barebones reference on numerous subjects, but a bunch of handwaving calling Wikipedia a “fine reference” and “a concrete source” does not make it 100% accurate, all the time.
No problem; just trying to understand what it is that you’re looking for, exactly. If all you want are digits, here’s the first ten thousand digits of π.
Just because it’s can be made wrong doesn’t mean one ought to suspect that it has been made wrong. After all, almost all the time, when you click on the Wikipedia page for pi, you’ll get the correct digits. The OP is an example of that. Unless one has some particular reason to suspect otherwise, there’s no great cause for doubt in this regard. And so I asked if there was such a reason.
I’ve condensed this post into the above one, for no good reason
I used the Wiki numbers in a posted puzzle I created and quickly had 4 people question my solution. Being the people pleaser that I am I assumed it was I who had gotten it wrong.
What was the puzzle? If you got pi right, then there may have been an error elsewhere.
Seems we need to have a login to view the entire page. Or you linked to the wrong thing. There’s no mention of a puzzle including pi on that page that I could find.
We’d be glad to help you if you’ll help us a bit by posting here exactly what you think you’re trying to solve.
…has a few more digits.
Especially if you click on “More digits”!
If you want a LOT more digits (up to 32 million), you can always calculate them yourself using this nifty little benchmark program:
Just type the word PI into Google and see if Google’s results match Wikipedia’s
Just don’t rely on Kate Bush.
[nitpick]Of course you can rely on her. She gets the first 53 places right and there is no possible computation in the physical universe that can use even that many places.[/nitpick]
“Sir, I bear a rhyme excelling
In mystic force and magic spelling
Celestial sprites elucidate
All my own striving can’t relate.”
There are faster ways to get Pi to 20 places… but this one got lodged in my head years ago…
The one I know is
Only 15 places, but somewhat more relevant, perhaps?
This weekend I was working on a little home construction project and needed the value for pi, and needed more digits than the wikipedia one. Thanks!
I’m curious, what the hell home construction project requires the value of pi to more than 30 places? Are you measuring to the femtometre?