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Words near each other
・ Vigiriega
・ Vigla
・ Vigla (tagma)
・ Vigla Formation
・ Viglacera Corporation
・ Viglain
・ Vigeois
・ Viger
・ Viger (electoral district)
・ Viger (Surrey cricketer)
・ Viger Square
・ Viger, Hautes-Pyrénées
・ Vigerslev
・ Vigerslev Allé station
・ Vigerslev train crash
Vigesimal
・ Vigethia
・ Vigevano
・ Vigevano Calcio
・ Vigevano Cathedral
・ Vigeville
・ Vigfúss Víga-Glúmsson
・ Vigfússon
・ Viggarbach
・ Viggbyholm
・ Viggbyholms IK
・ Viggers
・ Viggianello
・ Viggianello, Corse-du-Sud
・ Viggiano


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Vigesimal : ウィキペディア英語版
Vigesimal

The vigesimal or base 20 numeral system is based on twenty (in the same way in which the ordinary decimal numeral system is based on ten).
== Places ==
In a vigesimal place system, twenty individual numerals (or digit symbols) are used, ten more than in the usual decimal system. One modern method of finding the extra needed symbols is to write ten as the letter (the 20 means base-), to write nineteen as , and the numbers between with the corresponding letters of the alphabet. This is similar to the common computer-science practice of writing hexadecimal numerals over 9 with the letters "A-F". Another method skips over the letter "I", in order to avoid confusion between I20 as eighteen and one, so that the number eighteen is written as J20, and nineteen is written as K20. The number twenty is written as .

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Vigesimal」の詳細全文を読む



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