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Books > Science & Mathematics > Mathematics > History of mathematics
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The History of Numerals and Number-Writing (Paperback)
Loot Price: R551
Discovery Miles 5 510
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The History of Numerals and Number-Writing (Paperback)
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Loot Price R551
Discovery Miles 5 510
Expected to ship within 18 - 22 working days
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The Author investigated 30,000 years writing-history of humanity in
his previous book Signs Letters Alphabet. This book ads to his
investigation everything he could find about numbers and number
writing in our history. The ancient numerals: the dot, line, a line
perpendicular to it (I) and a long line. Every one of these signs
marked its own local value. Thus, we can write every number with
different arrangements of these four signs. The reader can compare
the 17,000-year-old numeral pictured on the front of this book
(written on the cave's wall in Lascaux) with the 19th century signs
seen on the inside of this back cover. The earliest found dot-line
numeral so far is around 30,000 years old. Finds with such
recordings get more numerous as we approach our time. This method
was used, unchanged, in Ancient Egypt through its history, in
China, by the Mayans, by the Aramaic culture in Middle East, the
Eskimos and even in the salt mines of Transylvanian until the start
of 20th century. Everybody did it, because there was no other kind
of number-writing. We are no exception either. Our "Arabic"
number-writing has a Palaeolithic origin also, except that the
signs became over-ornamented in India, changing to "cifra"
(adornment, ciphers), before arriving in Europe. The Palaeolithic
calculator had two basic signs: dot and line. The lines could be
drawn in the sand as in Egypt or even somewhere in Africa today.
The dots could be pebbles, marbles, kernels or shells. The very
fast calculator, with wires and beads on them is still used world
wide, its name and form varies from abacus (Latin) to soroban
(Japan) or from schoti Russia) to suan pan (China).
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