can you explain roman numerals to me?
http://www.quia.com/jg/66123.html
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Roman numerals are a numeral system that originated in ancient Rome and were used throughout the Roman Empire. They are based on a combination of letters from the Latin alphabet. Here is a quick explanation of the basic Roman numeral symbols:
I = 1
V = 5
X = 10
L = 50
C = 100
D = 500
M = 1000
To understand larger numbers, you combine these symbols together. For example:
II = 2 (I + I)
XIII = 13 (10 + 1 + 1 + 1)
XL = 40 (50 - 10)
XC = 90 (100 - 10)
CM = 900 (1000 - 100)
MCMXCIV = 1994 (1000 + 900 + 90 + 4)
To convert a Roman numeral to a regular number, you can follow these steps:
1. Start from the leftmost symbol and look for pairs where the symbol on the right has a greater value than the symbol on the left.
2. Subtract the value of the left symbol from the value of the right symbol.
3. Add the resulting value to a running total until you reach the end of the numeral.
For example, to convert "MCMXCIV" to a regular number:
Start with MCMXCIV
M (1000) is followed by CM (900) --> Subtract 900 from 1000 and add the result (100) to the running total.
CM (900) is followed by XC (90) --> Subtract 90 from 900 and add the result (810) to the running total.
XC (90) is followed by IV (4) --> Subtract 4 from 90 and add the result (86) to the running total.
IV (4) is the last symbol, so add its value (4) to the running total.
The final result is 1994.
For more practice and further explanation, you can visit the link: http://www.quia.com/jg/66123.html.