Using Google As A Calculator
Article Published by Marc Liron -
Microsoft MVP
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Google.com provides users with
a simplistic interface to a wide array of practical time saving
functions.
Among these functions is Google.com’s ability to recognize and parse
input that appears to be an arithmetic expression. The parsed
expression is then re-output to the user, along with the calculated
value.
In plain English this means you can use Google as a calculator!. |
For the mathematical reader data
inputs are allowed in a variety of numerical formats in addition to
standard decimal.
Hexadecimal (prefixed with 0x ex. 0x100+1 = 0x101)
Octal (prefixed with 0o ex. 0o100+1 = 0o101)
Binary (prefixed with 0b ex. 0b100+1 = 0b101)
Additionally, parentheses are available to allow the user to select
the order in which operations are applied. Ex. (3*3)+2 = 11, while
3*(3+2) = 15.
For the non mathematical reader you can do this:
Addition [+]
Adds the two arguments, ex. 1+1=2
...here it is in Google.com:
# The Query....
# The Answer...
Subtraction [-]
Subtracts the two arguments, ex 1-1=0
Multiplication [*]
Multiplies the two arguments, ex. 4*4 = 16
Division [/]
Divides the first argument by the second, ex. 4/2 = 2
Exponentiation [^]
Raises the first argument to the second, ex. 2^3 = 8.
[choose]
A choose B returns the number of ways a set of elements with size A
can be chosen from a set of elements with size B.
[th root of]
A th root of B returns the Ath root of B. ex. 3 th root of 8=2
This expression is equivalent to B^(1/A).
[% of]
A % of B calculates the value of A percent of B, ex. 20% of 100 = 20
This expression is equivalent to (A/100)*B.
[pounds to kg]
Just one example of weights in Google:
14 pounds to kg will be: 14 pounds = 6.35029318 kilograms
Unary Prefix:
Unary prefix operators operate upon a single input, found after the
operator.
Base e logarithm [ln]
Returns the logarithm of the argument, with base e
Base 10 logarithm [log]
Returns the logarithm of the argument, with base 10
Square root [sqrt]
Calculates the square root of the argument, ex. Sqrt 4 = 2
Sine [sin]
Calculates the Sine of the argument, in radians, ex. sin
(3.14159265/2) = 1
Cosine [cos]
Calculates the Cosine of the argument, in radians, ex. cos(0)=1.
In addition to sine and cosine, other common trigonometric functions
are available using similar syntax and abbreviation.
Unary Postfix:
Unary postfix operators act upon a single input, found before the
operator.
Factorial [!]
(Factorials are the product of a series of consecutive positive
integers from 1 to a given number.)
! returns the factorial of the
argument, ex. 3! = 3*2*1 = 6
In addition to arithmetic conversions, the Google calculator also
provides the user with the ability to convert easily between
standard units using the in operator.
The format for the in operator is as follows <number> <unit1>
in <unit2>.
The in operator will convert the <number> in <unit1> into a proper
number of <unit2>.
This is most easily illustrated through the following example:
10 miles in kilometers
returns the result:
10 miles = 16.09344 kilometers.
This article is based off of information provided at:
http://www.google.com/help/calculator.html
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Marc Liron -
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