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# Armstrong Numbers An [Armstrong number](https://en.wikipedia.org/wiki/Narcissistic_number) is a number that is the sum of its own digits each raised to the power of the number of digits. For example: - 9 is an Armstrong number, because `9 = 9^1 = 9` - 10 is *not* an Armstrong number, because `10 != 1^2 + 0^2 = 2` - 153 is an Armstrong number, because: `153 = 1^3 + 5^3 + 3^3 = 1 + 125 + 27 = 153` - 154 is *not* an Armstrong number, because: `154 != 1^3 + 5^3 + 4^3 = 1 + 125 + 64 = 190` Write some code to determine whether a number is an Armstrong number. ## Testing In order to run the tests for this track, you will need to install DUnitX. Please see the [installation](http://www.exercism.io/languages/delphi/installation) instructions for more information. ### Loading Exercises into Delphi If Delphi is properly installed, and `*.dpr` file types have been associated with Delphi, then double clicking the supplied `*.dpr` file will start Delphi and load the exercise/project. `control + F9` is the keyboard shortcut to compile the project or pressing `F9` will compile and run the project. Alternatively you may opt to start Delphi and load your project via. the `File` drop down menu. ### When Questions Come Up We monitor the [Pascal-Delphi](https://gitter.im/exercism/Pascal-Delphi) support room on [gitter.im](https://gitter.im) to help you with any questions that might arise. ### Submitting Exercises Note that, when trying to submit an exercise, make sure the exercise file you're submitting is in the `exercism/delphi/<exerciseName>` directory. For example, if you're submitting `ubob.pas` for the Bob exercise, the submit command would be something like `exercism submit <path_to_exercism_dir>/delphi/bob/ubob.pas`. ## Source Wikipedia [https://en.wikipedia.org/wiki/Narcissistic_number](https://en.wikipedia.org/wiki/Narcissistic_number) ## Submitting Incomplete Solutions It's possible to submit an incomplete solution so you can see how others have completed the exercise.
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