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Conference rusure::math

Title:Mathematics at DEC
Moderator:RUSURE::EDP
Created:Mon Feb 03 1986
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2083
Total number of notes:14613

916.0. "Memorize Pi Help!!" by UTRTSC::KAAIJ (What's this about going upstairs?) Fri Aug 12 1988 07:47

    To all Mathers,
    Has anyone ever heard of the following line?
    
    "Yes, I need a drink alcoholic of course........"
      3 , 1   4  1   5       9      2    6
    
    If so, would you know how it continues in order to memorize the
    number Pi.
                                        Thanks, Ed.
T.RTitleUserPersonal
Name
DateLines
916.1CLT::GILBERTSat Aug 13 1988 00:042
How I want a drink (alcoholic of course) after the hours studying
quantum mechanics.
916.2More?UTRTSC::KAAIJWhat's this about going upstairs?Mon Aug 15 1988 06:103
    re .1
    Is that it?
    Ed.
916.3Word Missing?VAXRT::BRIDGEWATERTue Aug 16 1988 20:1810
    Re: .1

    > How I want a drink (alcoholic of course) after the hours studying
    > quantum mechanics.

    Isn't there a 9-letter word missing between "studying" and "quantum"?

    I seem to remember pi as 3.14159265358979...

    - Don
916.4CLT::GILBERTWed Aug 17 1988 10:284
    Could be.  Anyway, for additional digits, I usually continue:
    "When in the course of human events it becomes necessary ...".

    :^}
916.5Quantum alcoholic mechanics?POOL::HALLYBThe smart money was on GoliathWed Aug 17 1988 10:321
    As usual Peter is right, somewhere down the line that is.
916.6mnemonic reminds me of...HERON::BUCHANANand the world it runnes on wheelesWed Aug 24 1988 11:4210
	There's a science fiction story by Rudi Rucker called "pi in the sky".
An alien artifact is discovered which has an infinite series of digits encoded
on it.   Decryption techniques reveal that this is a universal encyclopedia,
and all sorts of useful facts are discovered about faster than light travel,
mathemactics, etc, especially after the index has been found, which is also
embedded in the sequence.   Eventually, a reference is found to a history of
the alien species which constructed the artifact, and they are found to have
been enormously civilized etc.   The construction of the artifact was an 
important event to them, and there is a reference to a "cosmic joke" which is
something the aliens realized round about this time...
916.7longer mnemonicIOSG::HOPKINSTue Oct 18 1988 10:5014
    My Psychology book suggests the following little poem to remember
    the first twenty decimal places of Pi.
    
    Pie
    
    I wish I could determine Pi.
    Eureka cried the great inventor,
    Christmas pudding, Christmas pie,
    is the problem's very center.
    
    However, the book doesn't mention why anyone would want to know
    this.
    
    Greg Hopkins.
916.8The longest I know ...HERON::KAISERThu Aug 25 1994 07:2915
	Now I will a rhyme construct,
	By chosen words the young instruct.
	Cunningly devised endeavour:
	Con it, and remember ever
	Widths in circle here you see
	Sketched out in strange obscurity.

And then

	Fifty* of Lincoln's generals hope I willingly receive a silver
	medallion for endlessly repeating old martial tunes.

___Pete

* Suggestions accepted for how to represent a zero-letter word.
916.9FORTY2::PALKAFri Aug 26 1994 05:305
    re .8
    
    for zero use a ten-letter word.
    
    Andrew
916.10Representing zero-letter wordsEVTSG8::ESANUAu temps pour moiTue Aug 30 1994 16:3652
                <<< RUSURE::NOTES1:[NOTES$LIBRARY]MATH.NOTE;7 >>>
                            -< Mathematics at DEC >-
================================================================================
Note 916.10                    Memorize Pi Help!!                       10 of 10
EVTSG8::ESANU "Au temps pour moi"                    35 lines  30-AUG-1994 14:07
                      -< Representing zero-letter words >-
--------------------------------------------------------------------------------
From the note 916.8:

> * Suggestions accepted for how to represent a zero-letter word.


It seems to me that, for representing a zero-letter word, there is a
single way to do it, if you want to be consistent with the classical
definition of the length: this is by writing an empty word, which by
definition contains no letters (or, more precisely, no elements of
the symbols set used for building well-defined words), and therefore
is of (classical) length zero.

This solution has also the advantage of being independent of the
numeric basis used (916.9 works if this one is 10).

Now, there is a space (or an element from the symbols set used for
separators) between every two words, so there is a double space in a
succession NON-zero-letter-word --> zero-letter-word --> -- >
NON-zero-letter-word, like  here. Or here .  Or here. (I agree that,
though perfectly fit for a computer reader, this representation is not
so easy for a human reader, for the usual separator = the space).

What to do at the end of the line? Well, the end of the line is a
separator, so double it (leave a blank line)!

	This is,         
			however,
much more      problematic
			         for
     freely

                                                written
    text
	

		like
			this      one  .

So... the subject is not closed. It seems that in this case we cannot do
without a special symbol or the solution 916.9.

And, of course, certain people find difficult to represent four-letter
words!

Mihai.
916.11FORTY2::PALKAWed Aug 31 1994 06:286
    There is another solution.
    
    Add 1 to each digit, and use a word of that length.
    So 0 is represented by a 1 letter word, 1 by a 2 letter word etc.
    
    Andrew
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916.13AUSSIE::GARSONachtentachtig kacheltjesThu Sep 08 1994 19:258
    re .-1
    
    For those who are unsure about the gibberish in the previous reply,
    it's in SIXEL format. For a quick look, you can do EXT TT but it should
    also print OK on LN03 printers or any CPS controlled PostScript printer
    (print as ANSI).
 
    (NB: It screws up reverse video characters on my VXT2000.)
916.14French conference will like your PiGVAADG::DUBEA piano is a harp in dinner suit.Tue Sep 13 1994 06:429
re .12, .13 :

 great, I like it !

 could you provide e ( 2.718281828... ) in the same shape ?

 ##### R�my #####

 ps : I cross-posted this note .12 in the conference Eicmfg::French
916.15how to see that sixel file on your dectermHANNAH::OSMANsee HANNAH::IGLOO$:[OSMAN]ERIC.VT240Wed Sep 21 1994 10:5216


If you can't see that sixel message on your decterm, change the

	<esc>Pq

to

	<esc>P;2q



(This problem is fixed in newer decterms).

/Eric