Besides its other features, Google now acts as a calculator. Just enter a mathematical expression into the search query box, press "Google Search", and Google will display the answer.

For example:

7*6

Result: 42

Basic operators are included, as are advanced operations such as:

* sqrt - Square Root
* sin, cos, tan - Sine, Cosine, or Tangent
* ln - Log base e
* log - log base 10

For example:

sqrt 25

Result: 5

log 100

Result: 2

You can also use the "in" operator to translate measurements, i.e.

5 cups in quarts

Result: 1.25 US quarts

5 inches in millimeters

Result: 127 millimeters