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Roman Numerals

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Root of Roman Numerals

Roman numerals began as a strategy for checking with fingers. “I” implied one finger. Individuals would make I imprint to show a solitary score mark on wood. It was likewise a type of a message which one individual passed on to another, with the utilization of fingers.

This image has an empty alt attribute; its file name is Roman-Numerals-683x1024.jpg
photo via wikipedia
Roman numerals on stern of the ship Cutty Sark showing draught in feet. The numbers range from 13 to 22, from bottom to top.

At the point when you show five fingers, your thumb and pointer makes a “V” sign; and from here V began to mean 5. Ten ones were attracted a straight line, and separated with a X, and in this manner X implied 10.

Counting System

Masterminds like Aristotle and Archimedes required a progressively modern framework for greater computations. Along these lines, the checking framework was extended. The Latin word “centum” signifies 100, thus “C” indicated 100. “M” originated from the Latin word “mile” which means a thousand. This framework has no number zero.

Primary Letters and Meaning of Roman Numerals

The primary seven letters are:

I = 1

V = 5

X = 10

L = 50

C = 100

D = 500

M = 1000

This image has an empty alt attribute; its file name is 800px-Epitaph_des_Marcus_Caelius.JPG
photo via wikipedia
Epitaph of centurion Marcus Caelius, showing “XIIX”

For Example

XVI = 16 (10 + 5 + 1 = 16). The letter of more prominent worth precedes the letter of lesser worth, thus you include the numbers. Additionally, you can include two letters one after another.

Be that as it may, IV = 5 – 1=4. CM= 1000 – 100= 900. Here the letter of lesser worth precedes the letter of more noteworthy worth, and consequently we subtract the more prominent incentive from the littler worth.

Remember the Rule

The fixed standard for putting letters :

I View X Rays – I, V, X

Fortunate Cows Drink Milk – L, C, D, M

Subtraction

A similar image isn’t put multiple occasions in succession. Just the intensity of ten is subtracted, so V and L are not subtracted. Just one number is subtracted from another. So 13 isn’t IIXV (15-2); yet XIII (10 + 3).

Roman numerals have the detriment of not being helpful for including or subtracting parts.


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