As Google extend its limits search engines are smarter now.

Google search engine not only searches the internet but also does some smart works, one of them is calculating and computing. If you see the below video it shows the functionality.

This is Google Calculator

BASIC ARITHMETIC
OPERATOR MEANING TYPE INTO SEARCH BOX
+ or plus addition 12 + 34 or three plus four
or minus subtraction 3.4 – 5.6 or five minus two
* or times multiplication 56 * 7 or six times nine
/ or divided by division 7 / 8 or ten divided by two
% of or percent of percentage of 45% of 39
mod or % modulo (the remainder after division) 15 mod 9 or 15 % 9
^ or ** raise to a power 2^5 or 2**5
the nth root of nth root 4th root of 16, sqrt(16), cube root of 109
reciprocal of multiplicative inverse reciprocal of 7

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The SE calculator does not end with the basic calculations but also performs advanced maths.

OPERATOR FUNCTION TYPE INTO SEARCH BOX
sin, cos, tan,
sec, csc, cot
trig functions (arguments are assumed to be in radians) cos(pi/3)
cosine(pi/3)
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
CONSTANT MEANING TYPE INTO SEARCH BOX
e base of the natural system of logarithms e
pi the ratio of the circumference to the diameter of a circle pi/6
i imaginary number, which represents one of the two square roots of -1 i^2
gamma Euler’s constant e^gamma

If it can do calculations then why can’t conversions?

TYPE OF UNITS UNIT CONVERSION EXAMPLES OF UNITS
old units in new units
Currency (money) 23 USD in Euros US Dollars (USD), Euros, Britain Pounds (GBP)
Mass 130 lbs in kg kilogram or kg, grams or g, grains, pounds or lbs, carats, stones, tons, tonnes
Length 3 miles in km meters or m, miles, feet, Angstroms, cubits, furlongs
Volume three quarters of a cup in teaspoons gallons, liters or l, bushels, teaspoons, pints
Area 2 acres in sq km square kilometers, acres, hectares
Temperature 98.6 Fahrenheit in Celsius or 98.6 f in c Celsius or c, Fahrenheit or f
Time 1 year in seconds days, seconds or s, centuries, sidereal years, fortnights
Electricity 100 volts in picovolts volts or v, picovolts, amps or a, ohms, henrys
Energy 160 lbs * 4000 ft in Calories Calories, British thermal units (BTU), joules, ergs, foot-pounds (Warning: When your query includes “Calories” with a capital “C,” Google returns kilocalories called “calories” by nutritionists.)
Power 1 hp in watts, 500 V * 3 A in KW watt or W, kilowatts or KW, megawatts or MW, horsepower or HP
Angle 90 degrees in radians degrees or radians
Information 2 bytes in bits bits, bytes, kbytes
Quantity 1 great gross in dozens dozen, baker’s dozen, gross, great gross, score
Numbering Systems 1500 in hex
64 in binary
LVII in decimal
decimal, hexadecimal or hex, octal, binary, roman numerals (Prefix hexadecimal numbers with 0x, octal numbers with 0o and binary numbers with 0b, e.g., 0x7f + 0b100101)

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It continues with constants.

SHORTHAND NOTATION LONG NAME CLICK LINK FOR AN APPROXIMATE VALUE
au Astronomical Unit au or astronomical unit
Avogadro’s number Avogadro’s number
k Boltzmann constant k or Boltzmann constant
Faraday constant Faraday constant
G gravitational constant G or gravitational constant
magnetic flux quantum magnetic flux quantum
mass of a proton mass of a proton
m_planet mass of planet m_Mars, m_Earth, m_Uranus, m_sun
molar gas constant molar gas constant
permeability of free space permeability of free space
h Planck’s constant h or Planck’s constant
r_planet radius of planet r_Earth, r_Pluto, r_sun
c speed of light in a vacuum c or speed of light
speed of sound in air at sea level speed of sound

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