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 |
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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) |
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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 |
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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.) |
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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 |