In this course segment, you will learn how to:
Google started by providing generalized web search and now offers specialized searches that are accessible by clicking on the links above Google's search box. Each link, except the last, represents a separate search service. Click on any of the following links to learn more about the corresponding specialized search service(s).
Google displays the current service link in black and the others in blue.
After running a search on one service, you can click on another service's link to run a search on that service using the same terms. For example, when you click on the News link, your search will be repeated on Google's News service.
Google Search: More, More, More, http://www.google.com/options/index.html
有兩份簡捷的 Google 蒐尋要訣:
The word "Beta" beside a service's name indicates that Google is testing and refining the service. Use the service, and if you are so inclined, provide feedback to Google on how the service can be improved.
Next, we'll look at many of the special search tools listed above, as well as:
This section ends with Google's feature history.
The search tips and behaviors described in Part I of Google Guide work with Google's special search tools, except in the following few cases. The synonym operator (~) currently works only on Web and Directory searches.
For more information on Google special services and tools, visit www.google.com/options/.
以 Google 工具讓蒐尋更輕鬆
You can use Google even if the www.google.com page isn't currently in your browser provided you're currently connected to the Internet by using one or more of the following tools and features.
Access Google from your Internet Explorer toolbar. The following table lists just some of the many wonderful features available through the Google Toolbar.
|Feature||Allowing you to ...|
|Search Box||Access Google's search technology from your browser toolbar.|
|Search Site||Search only the pages of the site you're currently visiting.|
|Highlight||Highlight terms on the current page.|
|Word Find||Find your search terms on a page and navigate to them.|
|Pop-up Blocker||Stop annoying pop-up windows (new in version 2.0 of Toolbar).|
|AutoFill||Automatically fill in a form (new in version 2.0 of Toolbar).|
Below are links to more information on Google's 2.0 Toolbar:
If you use Mozilla or Netscape, try Googlebar, googlebar.mozdev.org, which provides all of the basic search functionality of Google's Toolbar. Googlebar works on recent versions of Mozilla and Netscape, but may not work on older ones.
If you use Mac OS X, note that Apple's Safari web browser includes Google search feature.
Access Google from your Windows desktop toolbar. The following table lists the Deskbar key features.
|Feature||Allowing you to ...|
|Search Box||Access Google's search technology even when your browser isn't running.|
|Preview||Preview search results in a small inset window that closes automatically.|
|Accessibility||Access Google from any application by pressing the CTRL, ALT, and the G keys simultaneously (CTRL+ALT+G).|
|Search Selected Text||Select text within a Word document, e-mail, browser page, or any other application, and then use that selected text as your search query by pressing the CTRL, ALT, and the G keys simultaneously (CTRL+ALT+G).|
|Keyboard Shortcuts||Access Google News by pressing the CTRL and the N keys simultaneously (CTRL+N), Google Images (CTRL+I), Froogle (CTRL+F), Web Search (CTRL+W), Groups (CTRL+U), I'm Feeling Lucky (CTRL+L), Definitions (CTRL+D), Stock Quotes (CTRL+Q), and Thesaurus (CTRL+T).|
For more information on what the Deskbar can do, visit toolbar.google.com/deskbar/help/cmds.html.
Copyright © 2003 Google Inc. Used with permission.
Performs search on any highlighted text or pops up a search box and prompts you for search terms.
Copyright © 2003 Google Inc. Used with permission.
Delivers links to sites and information related to whichever page you are viewing.
Click the Google.com button to go directly to the www.google.com page.
NOTE: The Google Browser Buttons should work for recent versions of most browsers, but may not work on older ones.
Google Browser Buttons are available at www.google.com/options/buttons.html.
Google provides shortcuts for finding commonly sought utilities and information, which you may have previously found offline or on specialized sites, including
Phone Numbers and Addresses
Definitions (Google Glossary)
Search by Number
Area Code Maps
Flight Tracking Information
FAA Airplane Registration Numbers
FCC Equipment IDs
The results of these shortcuts appear to the right of a tag or specialized icon and above your search results.
Want to add up a list of numbers, convert from miles to kilometers, or evaluate some other mathematical expression? Instead of using a piece of paper, your calculator, or a computer math software program, you can now solve mathematical problems with Google's built-in calculator function.
Simply enter the expression you'd like evaluated in Google's web search box and hit the ENTER key or click the "Google Search" button.
The Google Guide Calculator Reference provide a nice summary of some of Google's calculator features.
The calculator can evaluate mathematical expressions involving:
|+||Addition||[ 15.99 + 32.50 + 13.25 ]|
|-||Subtraction||[ 79 - 18 - 19 ]|
|*||Multiplication||[ 2 * 3 * 7 ]|
|/||Division||[ 378 / 9 ]|
|^ or **|| Exponentiation
(raise to a power of)
|[ 4^10 ] or [ 4**10 ]|
|% of||Percent|| [ 15% of 93.45 ]
|mod or %|| modulo (the remainder
| [ 15 mod 9 ]
or [ 15 % 9 ]
|the nth root of||calculates the nth root|| [ 4th root of 16 ]
[ cube root of 109 ]
[ square root of 42 ] or
[ sqrt(42) ]
Note: To do multiplication, you must include the * symbol; [ 3 * 4 ] will be calculated, 3 4 won't.
| sin, cos, tan,
sec, csc, cot, etc.
| Trigonometric functions (arguments
are assumed to be in radians)
| [ cos(pi/6) ]
|arcsin, arccos, arctan, arccsc, etc.||Inverse trigonometric functions|| [ arccos(.5) ]
|sinh, cosh, tanh, csch, arsinh, arccsch, etc.||Hyperbolic functions|| [ cosh(6) ]
|ln||Logarithm base e||[ ln(16) ]|
|log||Logarithm base 10||[ log(16) ]|
|lg||Logarithm base 2||[ lg(16) ]|
|exp||Exponential function||[ exp(16) ]|
|!||Factorial||[ 5! ]|
|choose|| x choose y calculates the number
of ways of choosing a set of y
elements from a set of x distinct elements
| [ 5 choose 3 ]
The following table lists just a few of the commonly used mathematical constants known to the calculator function.
|Name and description||Example|
|base of the natural system of logarithms||[ e ]|
|pi, the ratio of the circumference to the diameter of a circle||[ pi/6 ]|
|imaginary number, i, which represents one of the two square roots of -1||[ i^2 ]|
|Euler's constant, gamma||[ e^gamma ]|
|Type of Units||Examples|
|Mass||kilogram or kg, grams or g, grains, pounds or lbs, carats, stones, tons, tonnes, etc.|
|Length||meters or m, miles, feet, Angstroms, cubits, furlongs, etc.|
|Volume||gallons, liters or l, bushels, teaspoons, pints, etc.|
|Area||square kilometers, acres, hectares, etc.|
|Time||days, seconds or s, centuries, sidereal years, fortnights, etc.|
|Electricity||volts, amps, ohms, henrys, etc.|
|Energy||Calories, British thermal units (BTU), joules, ergs, foot-pounds, etc.|
|Power||watt, kilowatts, horsepower or hp, etc.|
|Information||bits, bytes, kbytes, etc.|
|Quantity||dozen, baker's dozen, percent, gross, great gross, score, etc.|
|Numbering systems||decimal, hexadecimal or hex, octal, binary, roman numerals, etc. Prefix hexadecimal numbers with 0x, octal numbers with 0o and binary numbers with 0b. For example: 0x7f + 0b10010101.|
Here are calculations that involve units.
Convert from one set of units to another by using the notation, x units in y units.
Warning: When your query includes "Calories" with a capital "C," Google returns kilocalories called "calories" by nutritionists.
Convert from one numbering system to another.
|Long Name|| Shorthand
| Click the Link for
the Approximate Value
|atomic mass units||amu or u||[ u ] or [ atomic mass units ]|
|Astronomical Unit||au||[ au ] or [ astronomical unit ]|
||[ Avogadro's number ]|
|Boltzmann constant||k||[ k ] or [ Boltzmann constant ]|
||[ Faraday constant ]|
|gravitational constant||G||[ G ] or [ gravitational constant ]|
|magnetic flux quantum||
||[ magnetic flux quantum ]|
|mass of a proton||
||[ mass of a proton ]|
|mass of each planet and of the sun||
||[ m_mars ], [ m_earth ], [ m_uranus ], [ m_sun ]|
|molar gas constant||
||[ molar gas constant ]|
|permeability of free space||
||[ permeability of free space ]|
|Planck's constant||h||[ h ] or [ Planck's constant ]|
|radius of each planet and of the sun||
||[ r_earth ], [ r_pluto ], [ r_sun ]|
|speed of light in a vacuum||c||[ c ] or [ speed of light ]|
|speed of sound in air at sea level||
||[ speed of sound ]|
Here are some calculations using built-in constants.
Note: If you go through the entire question-posting process and actually post a question, and if someone answers it, your credit card will be charged for the amount you specified. Finish this exercise only if you are willing to spend that amount.
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