Tool to convert from/in Roman numerals: a numbering system with seven letters (I, V, X, L, C, D et M) allowing to write integer numbers and used in Antique Rome.

Roman Numerals Conversion - dCode

Tag(s) : Numeral System,History

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Tool to convert from/in Roman numerals: a numbering system with seven letters (I, V, X, L, C, D et M) allowing to write integer numbers and used in Antique Rome.

Roman numeral system uses 3 rules:

- A letter placed to the right of another is added to the first one.

- A letter (generally a unit) placed to the left of another is subtracted to the first one.

- Letters are grouped from the larger to the smaller except for letters to subtract.

Roman numeration uses 7 letters corresponding to 7 numbers:

1 = I

5 = V

10 = X

50 = L

100 = C

500 = D

1000 = M

The software detects if a number is written in arabic notation or roman numerals and convert/translate it.

The Roman numerals starts at 1 and ends at 9999, no *correct* translation above will be done. (The software will display the number of thousand then the remainder)

The software is very permissive and allows bad formed roman numerals

Romans did not use the zero, they did not consider it as a digit, so they did not write it.

Four is written IV, however, this software indicated that IIII = 4, unusual, IIII is a variant of IV which is tolerated. It can be found today (typically in watches, or clocks).

There is no specific way to write a birthdate, except to write the number of the day, the month and the year separately.

12 / 06 / 2008 = XII / VI / MMVIII

Numbers above 10000 where not thinkable, if you wish to write a value of hundreds of thousands, one can imagine writing hundreds of M at the beginning of the number.

9999 = MMMMMMMMMCMXCIX (a bit ridiculous)

Negative writing is unknown, but adding a - can help to be understood.

Using decimal numbers is very few documented in history books, however, it is probable that they used fractions.

On estimates that roman numerals are born with the Antique Rome, so starting at the VIIth century b. JC

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- How to read/write with Roman numerals?
- What are the letters to write in Roman Numerals?
- How does the converter from/to Roman numerals work?
- How to write zero (0) in Roman numerals?
- How to write four (4) in Roman numerals?
- How to write a birth date with roman numerals?
- What is the biggest number in roman numerals?
- How to write a negative numbers in roman numerals?
- How to write a decimal number in roman numerals?
- When Roman Numerals have been invented?

roman,numeral,convert,antique,century,arabic,rome,number,year,latin

Source : http://www.dcode.fr/roman-numerals

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