NOTES ON GOOGLE SEARCH

expression1 expression2

→ expression1 AND expression2.

expression1 | expression2

→ expression1 OR expression2.

-expression

→ exclude expression.

(expression)

→ group several operators to control their order.

"word"

→ search for a word excluding synonyms.

"sentence"

→ search the exact sentence.

*

→ wildcard in an expression.

n..m

→ all integers between n and m (n<m).

$n

→ search a price in dollars.

€n

→ search a price in euros.

intitle: expression

→ search expression in the title page.

inurl: expression

→ search expression in the URL.

intext: expression

→ search expression in the text.

site: address

→ search only in the address site;

related: address

→ search only sites related to adresse.

word1 AROUND(n) word2

→ search only pages where word1 is at n words from word2.

filetype: extension

→ search only a particular type of file.

allintitle: expression

→ equivalent to a multiple intitle.

allinurl: expression

→ equivalent to a multiple inurl.

allintext: expression

→ equivalent to a multiple intext.

Available formats with the filetype instruction:

swf, pdf, ps

→ Adobe;

ps

→ Postscript;

html

→ HTML;

xls, xslx

→ Microsoft Excel;

ppt, pptx

→ Microsoft PowerPoint;

doc, docx

→ Microsoft Word;

ods, odp, odt

→ Open Office;

rtf

→ Rich Text Format;

svg

→ Scalable Vector Graphics;

tex

→ LaTeX;

txt

→ text files;

c, cc, cpp, cxx, h, hpp

→ C/C++ codes;

java

→ Java codes;

pl

→ Perl scripts;

py

→ Python codes;

f, f90

→ Fortran codes;

xml

→ XML.

operators

→ +, -, *, /.

factorial

→ !.

modulo

→ %.

power

→ ^.

trigonometric

→ sin, cos, tan.

inversee trigonometric

→ arcsin, arccos, arctan.

hyperbolic

→ sinh, cosh, tanh, arccosh, arcsinh, arctanh.

logarithmic

→ exp, ln, log, sqrt.

f(x)

→ plot the function f.

e

→ exponential of 1.

(no term)

pi:: → π

i

→ square root of -1.

amu

→ atomic mass unit.

au

→ astronomical unit.

k

→ Boltzmann constant.

eV

→ electron volt.

G

→ gravitational constant.

h

→ Planck constant.

c

→ speed of light.

x unit1 in unit2 → convert x from unit1 to unit2.

Currencies

→ USD, Euros, GBP, etc.

Masses

→ kg, g, lb, ton, etc.

Lengths

→ m, mile, feet, angstrom.

Surfaces

→ square kilometers, acres, hectares.

Volumes

→ gallon, l, teaspoon, pint.

Time

→ days, s, h, centuries, sideral years, etc.

Electricity

→ volt, amp, ohm.

Energy

→ calorie, joule, erg.

Power

→ watt, kilowatt, horsepower.

Information

→ bits, bytes, kbytes.

Numerical bases

→ decimal, hex, octal, binary.