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Roman Numerals

Questions and answers related to the symbols used by the ancient Romans to represent numbers. These include the numerals: I, V, X, L, C, D and M.

14,167 Questions

What is LCI in roman numerals?

In Roman numerals, LCI represents 50 + 100 + 1, which equals 151. The Roman numeral system uses letters to represent numbers, with I representing 1, C representing 100, and L representing 50. When these letters are combined, they are added together to determine the total value represented by the Roman numeral.

What does 1234567891011121314151617181920 represent in roman numerals?

M[x1234567891011121314151617181]CMXX. There is no symbol larger than M, meaning 1000, so yes, its a very large numeral.

Put in order least to greatest 0.33 0.033 0.03?

Alright, buckle up, buttercup. Let's get this straight: 0.03 is the smallest because it's basically 0.03 with some extra zeros hanging around. Next up, we have 0.033, a smidge bigger than 0.03 but still not as cool as the last one. Finally, we have 0.33 strutting in like it owns the place, being the biggest of the bunch. Hope that clears things up for ya!

What are similarities between Mayan number system and Hindu Arabic number system?

There are many reasons why the Mayan and the Hindu Arabic number systems are different some of these are why.

The Mayan number System has a place value and a non place value system and the Hindu Arabic number system has a place value system.

Their based numbers are different, the Mayans is 20 and the Hindu Arabic is 10.

The Mayan number system only has three symbols, and the Hindu Arabic number system has up to ten symbols including the zero.

Hindu Arabic number system reads or makes it from left to right on the Mayan number system you make or read it from top to bottom.

The Mayans also didn't have the concept of fraction


The similarities are that both number systems have a symbol for zero and that both number systems could do addition and subtraction even if it was difficult in the Mayan system

What are the disadvantages of the Hindu-Arabic number system?

The main disadvantages of the Hindu-Arabic number system is its inability to give an exact value to irrational numbers such as: pi, surds, recurring decimals and even infinity itself.

What is the real answer for what is one quadrillion in roman numerals?

Honey, one quadrillion in Roman numerals is like trying to count all the wrinkles on my face - impossible. Roman numerals only go up to M (which is 1,000), so anything beyond that is just a big ol' headache. Stick to regular numbers if you want to keep your sanity, trust me.

What time is it when the big hand is on the 6 and the little hand is on the7?

When the big hand is on the 6 and the little hand is on the 7, it is 6:35. The big hand represents minutes, and the little hand represents hours. The big hand is on the 6, indicating 30 minutes, and it has moved an additional 5 minutes past the 6, making it 35 minutes past the hour. The little hand is on the 7, indicating 7 o'clock.

What is the roman numerals for 25 million?

Oh, dude, you're asking me to do math? Like, really? Fine, fine. The Roman numerals for 25 million are... drumroll... XXV, followed by six M's for the million part. So, XXVMMMMMM. There you go, now you can impress all your friends with that useless knowledge.

What is 94 in roman figures?

Oh, dude, like, 94 in Roman numerals is XCIV. So, the X is like 10, the C is 100, and the IV is 4. Put 'em together and you get XCIV. It's like the OG way of doing math, ancient style.

What is 1776 plus 249 added in two different ways and 1776 minus 249 subtracted in two different ways but working out all four calculations entirely in Roman numerals with explanations?

Under today's modern rules now governing the Roman numeral system the equivalent of 249 when converted into Roman numerals is now considered to be CCXLIX which does not lend itself quite easily to arithmetical operations but there exist credible evidence to suggest that the ancient Romans would have carried out the requested calculations as follows:-

MDCCLXXVI+ICCL = MMXXV => 1776+(250-1) = 2025

MDCCLXXVI+CCXXXXVIIII = MMXXV => 1776+249 = 2025

MDCCLXXVI-ICCL = MDXXVII => 1776-(250-1) = 1527

MDCCLXXVI-CCXXXXVIIII = MDXXVII => 1776-249 = 1527

Note that in mathematics -(250-1) becomes -250+1 or as 1-250

The above calculations were fairly simple and straight forward to work out but for more complicated calculations the Romans would make use of an abacus calculating device.

QED

What are 26 facts about the now defunct system of Roman numerals from A to Z?

1 An abacus counting device was once used to work out Roman numerals

2 Brackets were used to increase their values

3 C is the equivalent of 100

4 Dollar bills have Roman numerals on them in the form of MDCCLXXVI

5 Etruscans conceived this system of numeracy and they once ruled the Romans

6 Four was never IV for 4 for fear of offending the Roman god Jupiter

7 Gregorian calendar was introduced in MDLXXXII by Pope Gregory XIII

8 Hundred thousand is the equivalent of (C)

9 I is the equivalent of one

10 Julius Caesar used Roman numerals to change the year into 12 months

11 Kings and Queens use Roman numerals in their titles

12 L stands for 50 and (L) is increased to 50,000

13 M means 1,000 and (M) means one million

14 November was once the IX month of the Roman year

15 October was once the VIII month of the Roman year

16 Prime numbers are also found in Roman numerals

17 Quadraginti is the Latin word for the Roman numerals of XXXX or XL

18 Roman numerals and their original rules were changed in the Middle Ages

19 S is the Roman numerical fraction for 1/2

20 Thirty nine is now XXXIX but once it was XXXVIIII or IXL

21 Undeviginti is the Latin word for 19 which is now XIX but should be IXX

22 V is the equivalent of 5 and (V) is equivalent to 5,000

23 Writing and calculating them are different today than in Roman times

24 X is the same as 10 and (X) is the equivalent of 10,000

25 Years are often misrepresented in Roman numerals

26 Zero is the equivalent of N meaning nought but was never needed

QED

What is the roles of roman numerals?

Roman numerals were fully developed during the Roman Empire, as the Roman Empire had a large amount of territory; numbers was required to measure and control the immense and vast territory. The Romans made use of Roman numerals, which was based primarily 7 letters which composed the Roman numeration, the Romans assigned values to each letter corresponding to each of the following values: I is 1, V is 5, X is 10, L is 50, C is 100, and D is 500and M is 1,000.

What are at least facts that the ancient Romans made in the field of mathematical advancement?

1 They modified the Etruscan numeral system and called it their own

2 They had a symbol for zero which was N

3 They never used the zero symbol because it wasn't needed

4 They can pride themselves that many mathematical terms are in Latin

5 They introduced weights and measures

6 They needed mathematics for navigational purposes

7 They needed mathematics for civil engineering purposes

8 They used the properties of gravity in their water viaducts

9 They gave names to distant planets and knew about astronomy

10 They introduced a 12 month year

11 They can claim that their numeracy system was most advanced at the time

12 They can claim that algebra was derived from Roman numerals

13 They introduced at the time a unified currency system

14 They needed only 1 prime number in their main 7 symbols

15 They had a secret system of numeracy that has never been decoded

16 They were military masters of geometrical formations in warfare

17 They once had a brilliant mathematician and Emperor whose name was Julius Caesar who gravely miscalculated the Ides of March

QED by David Gambell

What are two ways of adding 15 16 17 and 18 both in Roman numerals?

They are as follows:-

Method one

XV+XVI = XXXI (15)+(16) = (31)

XXXI+XVII = XLVIII (31)+(17) = (58-10)

XLVIII+IIXX = LXVI (58-10)+(20-2) = (66)

Method two

XV+XVI = XXXI (15)+(16) = (31)

XXXI+XVII = XXXXVIII (31)+(17) = (48)

XXXXVIII+XVIII = LXVI (48)+(18) = (66)

Note that for more complicated calculations the Romans would have made use of an abacus counting mechanism which today is equivalent to a calculator.

QED

How would you actually add together 1499 plus 178 plus 99 in two different ways using Roman numerals throughout both calculations?

With great difficulty because the way we write out Roman numerals today differs in many ways in the way that the Romans actually did themselves inasmuch that in accordance with today's rules governing the Roman numeral system we would convert 1499, 178 and 99 into Roman numerals as MCDXCIX, CLXXVIII and XCIX respectively which makes it almost impossible to add them together in some sort of a satisfactory mathematical manner.

Yet there is evidence to suggest that the Romans would have calculated the equivalent of these numbers in either of the following simple and straightforward formats:-

IMD+CLXXVIII= MDCLXXVII (1500-1)+(178) = (1677)

MDCLXXVII+IC = MDCCLXXVI (1677)+(100-1) = (1776)

Alternatively:-

MCCCCLXXXXVIIII+CLXXVIII = MDCLXXVII (1499)+(178) = (1677)

MDCLXXVII+LXXXXVIIII = MDCCLXXVI (1677)+(99) = (1776)

Remember: 5*I=V, 2*V=X, 5*X=L, 2*L=C, 5*C=D and 2*D=M

Roman numerals: M=1000, D=500, C=100, L=50, X=10, V=5 and I=1

The concept of Roman numerals had nothing to do with the Romans because this numeracy system was first conceived by the Etruscans who once ruled the Romans.

QED

How would the ancient Romans have actually added together 19 49 and 199 in two different ways yet having the same answer in both calculations?

Under the changed rules governing the Roman numeral system that were set out in the Middle Ages today we would convert the equivalent of 19, 49 and 199 into Roman numerals as XIX, XLIX, and CXCIX respectivelyhence inhibiting their ability towards conducive arithmetical interaction amongst themselves.

However, notwithstanding the aforementioned inasmuch that there is substancial historical evidenceto suggest that the ancient Romans would have added together the equivalent of 19, 49 and 199 in either of the following formats:-

IXX+IL = LXVIII => (20-1)+(50-1) = 68

LXVIII+ICC = CCLXVII => 68+(200-1) = 267

Alternatively:-

XVIIII+XXXXVIIII = LXVIII => 19+49 = 68

LXVIII+CLXXXXVIIII = CCLXVII => 68+199 = 267

Values: C=100, L=50, X=10, V=5 and I=1

Accrued values: 5*I=V, 2*V=X, 5*X=L and 2*L=C

QED

What is hindu arabic numeral and roman system?

They originated in India in the 6th or 7th century and were introduced to Europe through the writings of Middle Eastern mathematicians, especially al-Khwarizmi and al-Kindi, about the 12th century.

How would you work out 1776 plus 999 and 1776 minus 999 showing all work with answers in Roman numerals including reasons why?

Presumably, in order to make Roman numerals more compatible with Hindu-Arabic numerals that were being introduced into Western Europe in the Middle Ages we now consider the equivalent of 999 expressed in Roman numerals as CMXCIX but back in the time of the ancient Roman Empire its equivalent was probably worked out on an abacus counting frame as DCCCCLXXXXVIIII and expressed in written format as IM thus facilitating the speed and ease of the required calculations as follows:-

MDCCLXXVI+IM = MMDCCLXXV => 1776+(1000-1) = 2775

MDCCLXXVI-IM = DCCLXXVII => 1776-(1000-1) = 777

Note that in mathematics -(1000-1) becomes -1000+1 and that if we were to use the longer version of 999 the results would be exactly the same in both calculations.

QED