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Finger-counting - Wikipedia
Finger-counting, also known as dactylonomy, is the act of counting using one's fingers. There are multiple different systems used across time and between cultures, though many of these have seen a decline in use because of the spread of Arabic numerals. Finger-counting can serve as a form of manual … 展开
Finger-counting varies between cultures and over time, and is studied by ethnomathematics. Cultural differences in counting are sometimes used as a shibboleth, particularly to distinguish nationalities in war time. These form a plot point in … 展开
In finger binary (base 2), each finger represents a different bit, for example thumb for 1, index for 2, middle for 4, ring for 8, and pinky for 16. This allows counting from zero to 31 using the fingers of one hand, or 1023 using both.
In senary finger counting 展开Undoubtedly the decimal (base-10) counting system came to prominence due to the widespread use of finger counting, but many other counting systems have been used throughout the world. Likewise, base-20 counting systems, such as used by the Pre-Columbian 展开
CC-BY-SA 许可证中的维基百科文本 How do Germans say 3 with their fingers?
世界各国的手指计数方式 - 知乎 - 知乎专栏
Cultural similarities and specificities of finger counting and …
Finger counting – cultural similarities and differences
How the way you count reveals more than you think - BBC
Nature and culture of finger counting: Diversity and …
How People Count on their Fingers around the World - Mama …
Nature and culture of finger counting: diversity and …
Most common finger counting routines used by British, German, …