# How to Calculate Combinations of Numbers?

In math a combination is a selection of things from a group. The number of possible combinations depends on the size of the group. It is important to remember that with combinations, the order of t...
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http://www.ehow.com/how_8140767_calculate-combinations-numbers.html

## How to Take 24 Numbers & Calculate All Combinations?

The possible ways to combine 24 numbers depend on whether their order matters. If it does not, you need to simply calculate a combination. If the order of the items does matter, then you have an o...
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## How to Calculate Combinations by Hand?

In mathematics, combinations are used to describe the number of possible outcomes given N options and R selections from those options. For example, if you had 10 fruits and you wanted to make a fru...
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http://www.ehow.com/how_6383860_calculate-combinations-hand.html

## How to Calculate the Sum of N Numbers?

Calculating the sum of a series is a simple process when the series is short. Suppose that you are asked to calculate the sum of first three integers. In this case, N is equal to 3 and the sum equa...
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http://www.ehow.com/how_8128449_calculate-sum-numbers.html

## How to Calculate Binary Numbers?

Calculating binary numbers can be confusing, until you figure out the system. Most of what you learned during your academic years is base 10; binary numbers use base 2. What that means is, everytim...
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