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The choice of ten basic number symbols—that is, the…

“The choice of ten basic number symbols—that is, the Hindus’ choice of the base 10 for counting and doing arithmetic—is presumably a direct consequence of using fingers to count. When we reach ten on our fingers we have to find some way of starting again, while retaining the calculation already…” quote by Keith J. Devlin
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““The choice of ten basic number symbols—that is, the Hindus’ choice of the base 10 for counting and doing arithmetic—is presumably a direct consequence of using fingers to count. When we reach ten on our fingers we have to find some way of starting again, while retaining the calculation already made. The role played by finger counting in the development of early number systems would explain why we use the word “digit” for the basic numerals, deriving from the Latin word digitus for finger.””

Keith J. Devlin

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Finger counting shaped early numeral systems, leading to base‑10 and the term “digit” from Latin for finger.

In simple terms: Counting on fingers influenced the base‑10 system and the word digit.

Key Takeaway

Consider how physical tools shape abstract concepts.

Themes

mathematics history culture

Mood

analytical curious

Type

historical explanatory

When to use this quote

  • education
  • technology design
  • cross‑cultural studies

Key Concepts

cognitive development symbolic representation

Questions to Reflect On

  • How do physical experiences still affect abstract thinking?
  • What other concepts are rooted in bodily actions?
A Different Perspective

Modern digital tools may reduce reliance on embodied counting.

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