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What are multidimentional arrays used for?

Hi,
What are multidimentional arrays Ā used for? Can you give me a practical example? not necessarily with code.
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Mike Littlewood
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You might use them to hold corresponding properties/values/results but they are not exactly the nicest things to use.
For example you might have a set of numbers that have an appropriate result assigned to them for some application reason you need.
I wouldnt personally use them, I would probably use a record.
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Mike Littlewood
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xo310

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I understood the last example like 3 dimentional aray of pixels forming a cube. and to get a specific point in that cube we use the three dimentions. Hope I got it right.
thanks mike