# 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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http://www.ehow.com/how_8370693_24-numbers-calculate-combinations.html

## 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 GCF When Given Two Numbers?

The greatest common factor (GCF), also known as the greatest common divisor (GCD), represents the largest number that divides into each member of a set of two numbers. Smaller GCFs can be quickly c...
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http://www.ehow.com/how_8156176_calculate-gcf-given-two-numbers.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