Google Calculator is a hidden feature of Google search. You can type math expressions, unit conversions and many other questions that have a unique answer.

Its interesting, try :

32+2345*3-234=
Answer:6833

How many seconds in a decade?
Answer: 315 569 260 seconds

17 to binary
Answer: 0b10001

e^((pi)*i)+1
Answer: 0

10th root of 1024
Answer: 2

When is Easter 2006?
Answer:
(Western) April 16, 2006
(Orthodox) April 23, 2006

Earth mass in kg
Answer: 5.9742 × 1024 kilograms.

You can also find a simple keyboard interface for the Google Calculator here.

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