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Today, speakers of Chinese languages use three written numeral systems: the system of Arabic numerals used worldwide, and two indigenous systems. The more familiar indigenous system is based on Chinese characters that correspond to numerals in the spoken language .
While positional Chinese numeral systems such as the counting rod system and Suzhou numerals had been in use prior to the introduction of modern Arabic numerals, [26] [27] the externally-developed system was eventually introduced to medieval China by the Hui people.
A binary clock might use LEDs to express binary values. In this clock, each column of LEDs shows a binary-coded decimal numeral of the traditional sexagesimal time.. The common names are derived somewhat arbitrarily from a mix of Latin and Greek, in some cases including roots from both languages within a single name. [27]
Chinese characters, Japanese kana, Vietnamese chữ Nôm and Korean hangul can be written horizontally or vertically. There are some small differences in orthography.In horizontal writing it is more common to use Arabic numerals, whereas Chinese numerals are more common in vertical text.
The numbers 0–9 in Chinese huama (花碼) numerals. The ancient Chinese used numerals that look much like the tally system. [27] Numbers one through four were horizontal lines. Five was an X between two horizontal lines; it looked almost exactly the same as the Roman numeral for ten.
The use of these digits is less common in Thailand than it once was, but they are still used alongside Arabic numerals. [4] The rod numerals, the written forms of counting rods once used by Chinese and Japanese mathematicians, are a decimal positional system used for performing decimal calculations. Rods were placed on a counting board and slid ...
It is not uncommon to see Chinese numerals instead of Arabic numbers, but tourist attractions will usually use Arabic numerals for the convenience of foreigners. Chinese characters that mean hour ( 时 ; 時 ; shí ) and minute ( 分 ; fēn ) are sometimes used instead of the standard colon, as in 19時45分 ; shíjiǔ shí sìshíwǔ fēn ...
The Chinese word for metre is 米 mǐ; this can take the Chinese standard SI prefixes (for "kilo-", "centi-", etc.). A kilometre, however, may also be called 公里 gōnglǐ, i.e. a metric lǐ. In the engineering field, traditional units are rounded up to metric units. For example, the Chinese word 絲 (T) or 丝 (S) sī is used to express 0.01 mm.