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Excel Guides

When working with Roman numerals in Excel, there are a few things to keep in mind. First, Roman numerals are written using seven letters: I, V, X, L, C, D and M. These letters represent the numbers one, five, ten, fifty, one hundred, five hundred and one thousand respectively. Second, to create a valid Roman numeral, the letters must be arranged in order of value from left to right, with the highest value letter being placed first. For example, the number fifteen can be written as XV (ten plus five), but not as VX (five plus ten). Third, a letter can only be repeated three times in a row. After that, the next highest value letter must be used. For example, the number thirty can be written as XXX (three tens), but not as XX (two twenties).

There are a few ways to enter Roman numerals into Excel. The most straightforward way is to simply type them in as you would any other text. However, if you need to enter a large number of Roman numerals into Excel, it may be faster to use the CHAR function. This function takes a number between 1 and 255 and returns the corresponding character. For example, to enter the Roman numeral for fifteen into cell A1, you could use the following formula:

```
=CHAR(15)
```

If you need to convert a Roman numeral back into a number so that you can perform calculations on it, you can use the CODE function. This function takes a character and returns the corresponding number between 1 and 255. For example, to convert the Roman numeral XV into the number 15 so that it can be added to another cell containing the number 10, you could use the following formula:

```
=CODE("XV")+10
```

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