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2006-11-30 09:04:13 · 10 answers · asked by Anonymous in Science & Mathematics Mathematics

If you write the Roman numerals in reverse order from 500 you get 666. DLXCVI

2006-11-30 09:35:36 · update #1

10 answers

M with a line over the top.
A line over the top means multiply by 1000.

2006-11-30 09:06:37 · answer #1 · answered by epbr123 5 · 1 1

The Romans were active in trade and commerce, and from the time of learning to write they needed a way to indicate numbers. The system they developed lasted many centuries, and still sees some specialized use today.

Roman numerals traditionally indicate the order of rulers or ships who share the same name (i.e. Queen Elizabeth II). They are also sometimes still used in the publishing industry for copyright dates, and on cornerstones and gravestones when the owner of a building or the family of the deceased wishes to create an impression of classical dignity. The Roman numbering system also lives on in our languages, which still use Latin word roots to express numerical ideas. A few examples: unilateral, duo, quadricep, septuagenarian, decade, milliliter.

The big differences between Roman and Arabic numerals (the ones we use today) are that Romans didn't have a symbol for zero, and that numeral placement within a number can sometimes indicate subtraction rather than addition.

Here are the basics:

I The easiest way to note down a number is to make that many marks - little I's. Thus I means 1, II means 2, III means 3. However, four strokes seemed like too many....
V So the Romans moved on to the symbol for 5 - V. Placing I in front of the V — or placing any smaller number in front of any larger number — indicates subtraction. So IV means 4. After V comes a series of additions - VI means 6, VII means 7, VIII means 8.
X X means 10. But wait — what about 9? Same deal. IX means to subtract I from X, leaving 9. Numbers in the teens, twenties and thirties follow the same form as the first set, only with X's indicating the number of tens. So XXXI is 31, and XXIV is 24.
L L means 50. Based on what you've learned, I bet you can figure out what 40 is. If you guessed XL, you're right = 10 subtracted from 50. And thus 60, 70, and 80 are LX, LXX and LXXX.
C C stands for centum, the Latin word for 100. A centurion led 100 men. We still use this in words like "century" and "cent." The subtraction rule means 90 is written as XC. Like the X's and L's, the C's are tacked on to the beginning of numbers to indicate how many hundreds there are: CCCLXIX is 369.
D D stands for 500. As you can probably guess by this time, CD means 400. So CDXLVIII is 448. (See why we switched systems?)
M M is 1,000. You see a lot of Ms because Roman numerals are used a lot to indicate dates. For instance, this page was written in the year of Nova Roma's founding, 1998 CE (Common Era; Christians use AD for Anno Domini, "year of our Lord"). That year is written as MCMXCVIII. But wait! Nova Roma counts years from the founding of Rome, ab urbe condita. By that reckoning Nova Roma was founded in 2751 a.u.c. or MMDCCLI.

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V

Larger numbers were indicated by putting a horizontal line over them, which meant to multiply the number by 1,000. Hence the V at left has a line over the top, which means 5,000. This usage is no longer current, because the largest numbers usually expressed in the Roman system are dates, as discussed above.

2006-11-30 09:15:18 · answer #2 · answered by Anonymous · 1 0

What an interesting question!
, there are no single Roman numerals bigger than
1000.
However !!!!!
after a tussle i found out ,

But there is a way to make a single Roman numeral
bigger than M=1000


.
But here it is !!! Its official ......!!!!!!!!.
how you multiply that( M ), to become a million
1000.=M--
If you put a bar over the Roman numeral,
it is multiplied by 1000,

so for example 1,000,000 is M with a bar over it.

hope that helps

mine is a brandy+orange !



>^,,^<


-

2006-11-30 09:50:37 · answer #3 · answered by sweet-cookie 6 · 0 0

There was no zero as there was no need for it. The Roman counting system was based on the hand The V for 5 represents the an open hand(thumb and index) The X for 10 represents crossed hands We still use the word digits for numbers! Algebra with the concept of equations brought the need for zero Algebra is indeed an Arabic word There is a never ending debate on whether this was Arabic,Persian or Indian-so let's say Near East!!

2016-05-23 05:54:17 · answer #4 · answered by ? 4 · 0 0

M with a line over A line means times 1000.

2006-11-30 09:09:36 · answer #5 · answered by Lola D 1 · 1 0

Yes, it is M with a horizontal line over it.

The person who said that it is LXIV is wrong, or maybe he is joking.
LXIV is the Roman number for 64.

2006-11-30 09:26:47 · answer #6 · answered by jerryinchelsea 2 · 1 0

M with a line over top of it

2006-11-30 09:08:26 · answer #7 · answered by wynnr 2 · 0 0

you can't

those numbers are for counting sheep

they held up a finger for one

an open hand was V or 5

two crossed index fingers made an X or 10

they never had a million sheep so they didn't need a symbol for that

also, no zero

2006-11-30 09:06:50 · answer #8 · answered by kurticus1024 7 · 0 1

M with a bar over it

2006-11-30 09:07:05 · answer #9 · answered by huckypeep2 5 · 0 0

LXIV = 1,000,000

2006-11-30 09:07:05 · answer #10 · answered by stumpedzorz 1 · 0 2

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