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QuoteRef: ifraG_2000
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Topic:
what is a number
Topic:
number representation
Topic:
number as a progression for counting and 1-1 relations
Topic:
history of mathematics
Topic:
sense perception
Topic:
science as measurement
Topic:
accounting
Reference
Ifrah, G., The Universal History of Numbers. Google
Notes
Translated from the French by D. Bellow, E.F. Harding, S. Wood, and I. Monk
xix ;;Quote: use tally sticks or parts of your body to keep track of numbers; no need to count as we do
xxii ;;Quote: positional notation independently discovered by Babylonians, Chinese, Mayan, and Indians
7 ;;Quote: beyond four, quantities are vague; must count to find out
65 ;;Quote: use twin tally sticks to record sums owed and settled; marked together with a saw
121 ;;Quote: early representation of division with remainder; tablet from 2650 BCE
152 ;;Quote: Babylonian astronomers used a sign for zero; about 311 BCE
399 ;;Quote: example of an Indian number using zero; sixth century
428 ;;Quote: Sanskrit possessed names for all powers of ten up to 10^8, and by 300 CE, 10^17; used the names to mark position
439 ;;Quote: In 628, Brahmagupta defined zero as the subtraction of a number by itself and listed its properties; a number multiplied by zero becomes zero
Topic: what is a number (55 items)
Topic: number representation (16 items)
Topic: number as a progression for counting and 1-1 relations (22 items)
Topic: history of mathematics (57 items)
Topic: sense perception (55 items)
Topic: science as measurement (36 items)
Topic: accounting (10 items)