Many time when we are online we need to some mathematical calculation,you can do this by using google calculator easily .
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).
Most operators come between the two numbers they combine, such as the plus sign in the expression 1+1.
| Operator | Function | Example |
| + | 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 |
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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.
| Operator | Function | Example |
| 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)
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A few operators come after the number.
| Operator | Function | Example |
| ! | factorial | 5!
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For more information check here
http://www.google.co.in/help/calculator.html
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).
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