Advice 1: How to type Roman numbers on keyboard

In the ancient languages (Latin, Greek, Slavic) to record the numbers used is not specifically established characters, and the letters of the alphabet. From abbreviations and words, they usually did not differ, but sometimes added to them special decorations. Roman numerals such decorations do not have.
How to type Roman numbers on keyboard
Instruction
1
To represent the unit in the system of Roman numerals uses the uppercase letter "I" (read "I", equivalent to the English "ay"). Numbers 2 and 3 are denoted by the corresponding number of letters “I, II, III. Numbers are written without quotation marks.
2
The number 5 is denoted by the Latin letter “V”. The number 4 is denoted as the letters: IV. Otherwise, you can read this number as: one less than five. Number six to eight are depicted as letters “V” and the appropriate number “I” on the right (one to three).
3
Ten is denoted by the letter “X”. Nine will, if you ascribe to the left of the letter “I”. From eleven to nineteen the numbers are written on the same principle as in the first ten, but the left is attributed to the letter “X”.
4
The number 50 is denoted by “L”. Assigning “X” to the left or right, you get 40 or 60, respectively. Additional "x" to the right are numbers 70 and 80.
5
Hundred to three hundred are identified by the letter “C”, five hundred “D”. Attributing the letter denoting the number of smaller discharge, left or right, you will receive a number one, ten, a hundred, less or more, respectively.
6
One thousand is indicated by the letter “M”. Twice or three times the repetition of letters indicates the corresponding number of thousands. For example, 2011 will be denoted as: MMXI.
7
A complete list of numbers and their corresponding letter combinations represented in the illustration. Use the corresponding Latin letters to denote numbers.

Advice 2: What number differs from the number

Number and number are two different concepts. The figure indicates generally a graphical symbol, a sign. The number indicates the number. A two-digit number is a number consisting of two digits. There are differences in the concepts of "number" and "number" from the point of view of mathematics and linguistics.
Decimal number system came to Europe through the Arabs

Mathematical differences



There are a total of 9 digits: 1,2,3,4,5,6,7,8,9,0. The numbers are 1,2,3,4,5,6,7,8,9,0, as well as 10,11,12 and many others. There are fractional (to 1.24) and a negative number ( -5). Natural numbers are the Prime numbers that are used for counting objects. Fractional, natural and negative numbers do not exist.

Modern decimal number system is based on Arabic figures, which were introduced to Europe in the 13th century. Before that, Europeans used the Roman system of numbers. Still Roman characters are used in some wall and watch, as well as to identify bulleted lists in the texts.

In the past the numbers were called letters of the alphabet.

You can draw an analogy between digits, numbers, letters and words. All words are letters. There are words consisting of several letters, and words consisting of only one letter, for example, prepositions (on, at) or the unions (and, and).

Similarly, the numbers consist of numbers and are denoted by them. The number 1 consists of the numbers 1. The number 200 consists of the digits 2 and 0. The number 25 consists of two digits: 2 and 5. Mobile number 9876543210 consists of ten digits.

The figure is a symbol or graphical symbol, which is written a number.

Single digits may be confused with numerals. To understand that you have a number or figure, refer to the context.

Numbers can be added, to share and spend time with them other mathematical operations. You can't do that with numbers. Numbers can denote anything, for example, the equation.

Linguistic differences



If we are talking about the official figures, in the speech he used the word "figure". For example, you can talk about the figures of unemployment, inflation and trade. In this sense, the word "figure" close to the concepts of "statistics" or "data".

The concept of "number" is used in numerology as a sign of influencing fate. For example, the numbers in your birth date indicate characteristics of the person. Each digit thus is endowed with special mystical meaning. It is also believed that some numbers can bring good luck.

The word "number" in speech most often used in the sense of "quantity". For example, you can name the exact number of victims after an accident.

Another meaning of the word "number" is the calendar day or date. Also this concept applies to day of the month. While in the Russian language uses ordinal numbers. So, we can say that today is the twenty-fourth of April two thousand and fourteen or twenty-fourth number. The word "number" with the value "date" is used in colloquial speech.

Also, the word "number" is used in the sense of "the totality of anything" and "amount". For example, the equation 4+5=9 is the number 9, it is the sum of 4 and 5.
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