Roman Numeral

What is Roman Nummerals?
Answer : Roman numerals is the number system . This  numeric system is used in History.This number system is used in a ancient Rome and it written by combinations of letters from the Latin alphabet that signify values.In history time Roman numerals are expressed by letters of the alphabet and but today are rarely used in some special sector except for formality or variety. There are some of four basic Rules for reading Roman numerals.




Roman Numeral:
In Roman numeral sonme numeral are One or more letters placed after another letter of greater value increases the greater value by the amount of the smaller (XV = 15, XVI = 16, XVII = 117, or LXV = 65 ,LXVI = 66 ,LXVII = 67 etc.).
In Roman numerals are  letter repeated once or twice repeats its value that many times (XXX = 30, CC = 200, etc.).
A letter placed before another letter of greater value decreases the greater value by the amount of the smaller (V = 5, XL = 40, M = 100, etc.).



Roman Numerals Details :
The system is based on seven different symbols.This Seven symbols are......
Roman numerical system: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1,000.



SymbolValue
I1
V5
X10
L50
C100
D500
M100



Numbers are formed by combining symbols together and adding the values.
Means we asign a number by combining of Roman symbol together. 


The system of Addition Roman Numericals:
In this system a letter placed after another of greater value adds(thus XVII or xvii is 17),


The system of Subtraction Roman Numericals:
whereas a letter placed before another of greater value subtracts (thus XC is 90).



Zero (0):
The number zero does not have its own Roman numeral, but the word nulla (the Latin word meaning "none") was used by medieval computists in lieu of 0.



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