How to use the Google calculator:
Google's calculator tries to understand the problem you are attempting to solve without requiring you to use special syntax. However, it may be helpful to know the most direct way to pose a question to get the best results. Listed below are a few suggestions for the most common type of expressions (and a few more esoteric ones).
Operator Function Example
Most operators come between the two numbers they combine, such as the plus sign in the expression 1+1.
+ addition 3+44
- subtraction 13-5
* multiplication 7*8
/ division 12/3
^ exponentiation (raise to a power of) 8^2
% modulo (finds the remainder after division) 8%7
choose X choose Y determines the number of ways of choosing a set of Y elements from a set of X elements 18 choose 4
th root of calculates the nth root of a number 5th root of 32
% of X % of Y computes X percent of Y 20% of 150
Operator Function Example
Some operators work on only one number and should come before that number. In these cases, it often helps to put the number in parentheses.
sqrt square root sqrt(9)
sin, cos, etc. trigonometric functions (numbers are assumed to be radians) sin(pi/3)
tan(45 degrees)
ln logarithm base e ln(17)
log logarithm base 10 log(1,000)
Operator Function Example
A few operators come after the number.
! factorial 5!
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