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Topic: Ruler


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  Ruler - Wikipedia, the free encyclopedia
A ruler is an instrument used in geometry and technical drawing to measure short distances and/or to rule straight lines.
Strictly speaking, the ruler is the instrument used to rule and calibrated stick for measurement is called a measure.
The ruler (calibrated, though numbers are not shown) appears as a charge in heraldry in the arms of Odouze.
en.wikipedia.org /wiki/Ruler   (263 words)

  
 Ruler-and-compass construction - Wikipedia, the free encyclopedia
The ruler is infinitely long, but it has no markings on it and has only one edge (thus making it a straightedge instead of what we usually think of as a ruler).
Stated this way, ruler and compass constructions appear to be a parlor game, rather than a serious practical problem.
It is impossible to take a square root with just a ruler, so some things cannot be constructed with a ruler that can be constructed with a compass; but (by the Poncelet-Steiner theorem) given a single circle and its center, they can be constructed.
en.wikipedia.org /wiki/Ruler-and-compass_construction   (1580 words)

  
 * Ruler - (Astrology): Definition   (Site not responding. Last check: 2007-10-21)
The Ruler of a horoscope is that planet which has greatest dominion and influence over the life, and to which the native most readily responds...
Ruler of Taurus and Libra, Detriment in Scorpio and Aries, Exalted in Pisces, Fall in Virgo.
The modern ruler of Pisces is Neptune, planet of the spiritual and sensitive qualities in man. Ancient astrologers assigned Pisces Jupiter, a planet also associated with spirituality as well as thirst for knowledge and understanding...
www.bestknows.com /astrology/ruler.html   (1252 words)

  
 Learn more about Ruler-and-compass constructions in the online encyclopedia.   (Site not responding. Last check: 2007-10-21)
The ruler is indeed a straightedge, and may not be marked; the compass may only be set to already constructed distances, and used to describe circular arcs.
Without the constraint of requiring solution by ruler and compasses alone, the problem is easily soluble by a wide variety of geometric and algebraic means, and has been solved many times in antiquity.
It is impossible to take a square root with just a ruler, so some things cannot be constructed with a ruler that can be constructed with a compass; but given a circle and its center, they can be constructed.
www.onlineencyclopedia.org /r/ru/ruler_and_compass_constructions.html   (657 words)

  
 An Essay on The Ruler: What is Measurement?   (Site not responding. Last check: 2007-10-21)
Consider the ubiquitous 12 inch ruler (or its multiples, the yardstick, tape measure,or any metric equivalent) and how useful it is in everyday life.
The left-most edge or marker of the ruler is the beginning and indicates the absence of any units, i.e., none.
The crucial concept is that the abstract mathematical properties of a ruler transcend the concrete instrument.
www.rasch.org /rmt/rmt102k.htm   (473 words)

  
 Ruler · Astrological definition of Ruler · Astrology Encyclopedia
The Lord of the Nativity, or as often termed the Ruler of the Horoscope, is variously the most strongly placed planet in the map, especially that planet which is in the First House and close to the ascending degree.
Conditions affecting the Ruler of the Sign on the cusp of a House, or of the Sign intercepting a House, are of secondary importance to the influence of a planet actually posited in the House.
However, the considerations affecting the Ruler are consulted for testimony concerning a House in which no planet is posited, on the principle that the planet's dignity with reference to a house on the cusp of which its sign appears, persists even though its owner may be absent.
www.astrologyweekly.com /dictionary/ruler.php   (1286 words)

  
 Education   (Site not responding. Last check: 2007-10-21)
RULER® Numbers decrease as antioxidants are depleted thus it is possible to track depletion from test to test as degradation occurs.
The instrument compares the RULER® Number of a used oil sample with that of a fresh oil sample (Standard) of the same formulation to determine the percentage of the Remaining Useful Life of the used oil.
RULER® levels must be established for a given piece of equipment and used to make proper decisions.
www.fluitec.com /rulermethod.html   (273 words)

  
 mmdruler - Detect defects in a ruler.
The input image is a gray-scale image of a ruler, that has a number touching a tick mark.
It detects all objects connected to the ruler tick markers.
A reconstruction from the ruler marks detected is applied.
www.mmorph.com /html/mmdemos/mmdruler.html   (132 words)

  
 FAQ: How do I read a ruler?
The red marks on these rulers are at 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, and 1.
The red marks on this ruler are at 1/16, 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, and 1.
When marking down a distance from a ruler, mark the whole inch, followed by a space, then the fraction of an inch.
www.onlineconversion.com /faq_05.htm   (196 words)

  
 Ruler-and-compass construction - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-21)
A number of ancient problems in geometry involve the construction of lengths or angles using only an idealized ruler and compass, or more properly a straightedge and compass.
Stated this way, ruler and compass constructions are a parlor game, rather than a serious practical problem.
Therefore the degree for the minimal polynomial for cos 20° is of degree three, so cos 20° is not constructible and 60° cannot be trisected.
xahlee.org /_p/wiki/Trisecting_the_angle.html   (1442 words)

  
 Mo's Society: T'ai Chi Ruler   (Site not responding. Last check: 2007-10-21)
The T'ai Chi Ruler is a series of exercises using a ruler such as shown to the left.
The ruler is made of wood and is about 10 inches long.
The practice involves a series of circular movements with the ruler held between the hands as the body weight shifts from foot to foot.
www.upscale.utoronto.ca /mo/Ruler.html   (314 words)

  
 Earthquakes and Resonance: Twang - Science For Fun - Science Fair Central - DiscoverySchool.com
Lay the ruler on a table with half of its length extending past the edge of the table.
As the length of the ruler increases, the frequency decreases.
The vibration of the ruler causes the air molecules around the ruler to move back and forth at the same frequency, creating areas of compression (where the molecules are pushed together) and rarefaction (where the molecules are spread apart).
school.discovery.com /sciencefaircentral/jvc/surpscifacts/equakes_resonance_twang.html   (443 words)

  
 Some printable paper rulers   (Site not responding. Last check: 2007-10-21)
Previously they just read the numbers off the ruler with no concept that they are measuring a given distance.
But my horizontal rules, while better than, say, a random cheap plastic ruler, are not as good as a quality ruler.
ruler, rulers, measure, measures, rule, rules, stick, sticks.
www.vendian.org /mncharity/dir3/paper_rulers   (1126 words)

  
 RULER
RULER has been defining a standardized set of mensuration algorithms and interfaces over the past several years.
Ruler provides mensuration support for the current national sensors and their associated imagery formats.
Ruler 3.0 was released on 7 February 1996 to approximately 56 sites for use as a hardcopy exploitation tool.
www.globalsecurity.org /intell/systems/ruler.htm   (319 words)

  
 FreewarePalm: Araiguma Ruler for Palm OS v2.25
Has the potential to be a handy app, yet the measurements are not completely accurate.Calibrating/correcting this problem is not something I have been able to figure out.
Care should be taken when measuring as the lines are narrow and the baseline of the ruler is also narrow, so its easy to get 0.95 instead of 1 cm.
This kind of app really is useful in practice as I am always in need of measuring a lesion and rulers are not always available.
www.freewarepalm.com /utilities/araigumarulerforpalmos.shtml   (185 words)

  
 GoRu's Golden Ruler - About the Ruler Itself   (Site not responding. Last check: 2007-10-21)
The ruler itself is fully functional and made of heavy duty/bendable/virtually unbreakable/opaque yellow plastic.
The ruler is offered in a standard and a Bible version, with a difference only in the back of the ruler.
Attached to each Ruler is a folded tag that describes what the Ruler is and how you use it.
www.goru.com /ruler_ruler.html   (293 words)

  
 Halfbakery: see-through ruler
When you are using a cutting board, scapel and ruler, the ruler is usually metal.
The beauty of using a *clear* plastic ruler for this is that you can draw out a piano keyboard on paper with the keys spaced according to the ruler's "note distance" and can tape this keyboard to the underside of the ruler.
I'd have thought that the frequency is inversely proportional to the square root of the lenght, and the percieved pitch varies as the log of that - ie reducing the length to one quarter of the current length will increase the note by one octave.
www.halfbakery.com /idea/see-through_20ruler   (724 words)

  
 AVPSoft: Universal Desktop Ruler   (Site not responding. Last check: 2007-10-21)
Rulers are great for straight line distances, but would a ruler be a good choice to measure the length of a river or road?
Universal Desktop Ruler is useful for measuring distance and area on a map, finding area and perimeter in a house project for example.
Universal Desktop Ruler runs in the system tray, and with a couple of clicks, measures a line you draw on the screen.
avpsoft.com /products/udruler   (375 words)

  
 Free Ruler for Mac OS X
Note: Free Ruler is only available for Mac OS X. It may work on Mac OS 9, but this has not been tested.
Making the rulers float would eliminate the ability for rulers to respond to keystrokes, which to me is more important than floating.
If you drag a ruler completely out of view (easy to do when rulers are grouped), try aligning the ruler origins to bring it back into view.
www.pascal.com /software/freeruler   (791 words)

  
 Neuroscience for Kids - Reflexes
Have another person put his or her hand at the bottom of the ruler and have them ready to grab the ruler (however, they should not be touching the ruler).
Tell the other person that you will drop the ruler sometime within the next 5 seconds and that they are supposed to catch the ruler as fast as they can after it is dropped.
For example, if you caught the ruler at the 8 inch mark, then your reaction time is equal to 0.20 seconds (200 ms).
faculty.washington.edu /chudler/chreflex.html   (851 words)

  
 Using a UTM Corner Ruler   (Site not responding. Last check: 2007-10-21)
To find the UTM coordinates of a feature marked on your map slide the rulers North and East until the corner is on top of the feature to be measured.
To locate a UTM coordinate on the map slide the ruler North and East until the desired distances are indicated at the grid lines.
An overlay containing UTM corner rulers for several different map scales is available from Map Tools.
www.maptools.com /UsingUTM/UTMcorner.html   (305 words)

  
 : Flow Ruler for Outlook, review at WorldSSP.net   (Site not responding. Last check: 2007-10-21)
Flow Ruler for Outlook is an add-in for MS Outlook that expands the possibility of configuring and executing rules in your Inbox and in the other folders as well.
Flow Ruler for Outlook 1.0Flow Ruler allows you to automatically organize your inbox, eliminate spam, administrate contacts and appointments, and assign tasks through simple Rules which are graphically designed.
Flow Ruler for Outlook is an Add In for MS Outlook® that expands the possibility of configuring and executing rules in yo...
www.worldssp.net /webinfo.asp?proid=11425   (410 words)

  
 Roman Ruler Lords Over Field in Norfolk - bloodhorse.com
Fog City Stable's Roman Ruler, the 1-20 betting favorite, took the lead on the turn and coasted home for a 4 1/2-length triumph in the grade II, $200,000 Norfolk Stakes for 2-year-olds Sunday at the Oak Tree at Santa Anita meeting.
Roman Ruler was coming off his first defeat, a head decision to Declan's Moon, in the Del Mar Futurity (gr.
Adding blinkers for the Norfolk, Roman Ruler stalked Littlebitofzip through four furlongs in :46.05, advanced outside of that rival on the last turn, took the lead two furlongs from home, and drew off through the lane.
racing.bloodhorse.com /viewstory.asp?id=24631   (337 words)

  
 Quilter's Review - A Quilting Ruler With Everything
One of the unique features of this ruler is the built-in non-slip dots every inch around all four sides of the ruler.
Since the Creative Grids ruler lines are dashed, the spaces between the dashes let you align the ruler precisely along the edge of the fabric to ensure a more accurate cut.
The inch numbers printed on the ruler are fl in the center of a white dot, making them easy to read on all fabric colors.
quiltersreview.com /article.asp?article=/review/product/010319_a.asp   (819 words)

  
 Using the Ruler in Microsoft Word, A Professional Approach Series, Computer Education, Postsecondary Education, Glencoe ...
The ruler appears near the top of your document window and controls the horizontal spacing of paragraph margins, tables, columns, and tabs.
The fourth marker on the ruler establishes a hanging indent.
When you create a table in Microsoft Word, the ruler looks very much as it does when you have columns; that is, each column has its own paragraph formatting, width, and gutter space.
www.glencoe.com /ps/computered/pas/article.php4?articleId=359   (1291 words)

  
 GameSpot:Video Games PC PlayStation 2 GameCube PSP DS GBA PS2 PS3 Xbox 360 PlayStation 3
Supreme Ruler 2010 is an upcoming geopolitical strategy game with an interesting--though highly unlikely--premise: What if the United States and other countries split apart, and the newly independent regions waged war on one another?
Premise aside, Supreme Ruler 2010 is, without a doubt, one of the most comprehensive strategy games we've ever seen, and it's potentially one of the most rewarding for serious fans of the genre.
Supreme Ruler 2010 will run in continuous time, and there will be three speed settings, in addition to pause.
www.gamespot.com /pc/strategy/supremeruler2010/preview_6092989.html   (1206 words)

  
 Golomb rulers   (Site not responding. Last check: 2007-10-21)
A Golomb ruler is a set of integers (marks) a(1) <...
Then a(n) is the length of the Golomb ruler.
For a given number of marks, n, we are interested in finding the shortest Golomb rulers.
www.research.ibm.com /people/s/shearer/grule.html   (57 words)

  
 Wonder Cut Ruler
We listened to you and are proud to introduce a new and improved Wonder Cut Ruler.
Before we took it to be manufactured, we had the help of four great local quilters test and re-test the ruler.
Just tuck a note in with your payment giving us the name and address of who we should send the ruler to, and we will gift wrap it and mail it for you at no extra charge.
wondercutruler.com   (1046 words)

  
 GameSpot:Video Games PC PlayStation 2 GameCube PSP DS GBA PS2 PS3 Xbox 360 PlayStation 3   (Site not responding. Last check: 2007-10-21)
Supreme Ruler 2010 is a grand-scale wargame in every sense of the word.
Needless to say, there's a lot going on in Supreme Ruler 2010, and it'll be interesting to see how such an ambitious game pans out.
Supreme Ruler 2010 still needs some more work, but BattleGoat is looking to wrap up development on it within the coming months.
www.gamespot.com /pc/strategy/supremeruler2010/preview_6113850.html   (862 words)

  
 A List Apart: Articles: The Table Ruler
You got hold of a big old metal ruler, placed it on top of the printout, and moved it down each time you finished typing a row, to remind you where you were and what you had already typed.
We do this by giving the tables in question a class with the name “ruler.” Next thing we need to avoid is rows in the table header and the table footer to be highlighted.
We check to see if the name of the table class is “ruler.” If it isn’t, we skip it and proceed to the next table.
www.alistapart.com /articles/tableruler   (575 words)

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