# 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 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 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 Calculate IRR by Hand?

The internal rate of return (IRR) is used to evaluate how profitable a proposed project is when investigating options during capital budgeting decisions. When considering several projects for inves...
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http://www.ehow.com/how_6809460_calculate-irr-hand.html

## How to Calculate a GPA by Hand?

The grade-point average, or GPA, assigns each grade a numerical equivalent to create a number that represents how successful a student was in a group of classes. GPAs create a way to rank individua...
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http://www.ehow.com/how_8330441_calculate-gpa-hand.html