How to write the ancient Roman number 1 to 10?

Roman numerals 1 to 10 are I- 1, II-2, III-3, IV-4, V-5, VI-6, VII-7, VIII-8, IX-9 and IX-.

Roman numerals are used in Europe before the introduction of Arabic numerals (actually Indian numerals), but they are rarely used now. It came into being later than the numbers in China and Oracle Bone Inscriptions, and even later than the Egyptian decimal numbers. However, its appearance marks the progress of an ancient civilization.

Arabic numerals:

Arabic numerals consist of 10 counting symbols, including 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Take the position value method, the high position is on the left, the low position is on the right, and the writing is from left to right. With the help of some simple mathematical symbols (decimal point, minus sign, percent sign, etc. ), this system can clearly represent all rational numbers. In order to express extremely large or extremely small numbers, people have created scientific notation on the basis of Arabic numerals.