December 19, 2022 05:34PM
|
Registered: 1 year ago
Posts: 29
|
Hello Byrd
Quote '
Nobody in the ancient world used decimals until the Chinese invented them in the 4th century BC. This is provable. [en.wikipedia.org]
If they'd had the notion of decimals, we would have seen it in their calculations because it speeds up all kinds of mathematical processes as well as in textbooks such as the Rhind Mathematical Papyrus. It would have reduced the cumbersome calculations found in these books to fairly simple operations. It would have been one of the great innovations of a very ancient world'
From The Roots of Ancient India, The Archaeology of Early Indian
Civilisation, second edition, revised by Walter Fairservis Jr (1975):
… linear measurement was apparently well standardised. Mackay by good
fortune found a piece of shell marked in regular fashion and quite clearly
intended as a rule. Nine divisions remain, and from circular markings at
two places five units apart it would appear that a decimal system was in
vogue. Each division is approx 0.264 inches wide, or a five-unit total of
1.32 inches. Thus a foot in the decimal system would be 13.2 inches,
14
which fit into a widespread system of the ancient world. Similarly, Vats
and Wheeler provided evidence that a cubit was also used. Thus both the
smaller and larger units of measurement were used in building and
presumably to lay out fields. (p 291)
Best
Jim
Subject |
Author |
Posted |
|
molder |
December 04, 2022 05:34AM |
|
Hermione |
December 04, 2022 10:14AM |
|
Byrd |
December 05, 2022 01:51PM |
|
molder |
December 05, 2022 07:07PM |
|
Byrd |
December 05, 2022 08:45PM |
|
molder |
December 05, 2022 11:49PM |
|
Byrd |
December 06, 2022 12:51PM |
|
Hermione |
December 06, 2022 01:13PM |
|
molder |
December 06, 2022 07:40PM |
|
Byrd |
December 06, 2022 09:00PM |
|
molder |
December 07, 2022 11:05PM |
|
Byrd |
December 09, 2022 01:35PM |
|
molder |
December 09, 2022 11:25PM |
|
Hans_lune |
December 10, 2022 11:41AM |
|
Byrd |
December 10, 2022 12:28PM |
|
Hermione |
December 10, 2022 03:12PM |
|
molder |
December 10, 2022 08:02PM |
|
Hermione |
December 07, 2022 04:16AM |
|
molder |
December 07, 2022 05:35AM |
|
Hermione |
December 07, 2022 01:01PM |
|
engbren |
December 08, 2022 03:46AM |
|
Hermione |
December 08, 2022 06:45AM |
|
Byrd |
December 08, 2022 05:39PM |
|
molder |
December 09, 2022 11:17PM |
|
Byrd |
December 12, 2022 12:12AM |
|
Hans_lune |
December 12, 2022 12:39AM |
|
molder |
December 12, 2022 05:27AM |
|
Hermione |
December 12, 2022 09:28AM |
|
Hans_lune |
December 12, 2022 11:33AM |
|
Hans_lune |
December 12, 2022 11:31AM |
|
Ahatmose |
December 12, 2022 09:13PM |
|
Hans_lune |
December 12, 2022 11:58PM |
|
Ahatmose |
December 13, 2022 12:21AM |
|
Hans_lune |
December 13, 2022 01:11AM |
|
Byrd |
December 13, 2022 12:49PM |
|
Ahatmose |
December 13, 2022 01:12PM |
|
Hermione |
December 13, 2022 03:20PM |
|
molder |
December 13, 2022 05:43PM |
|
Byrd |
December 15, 2022 03:52AM |
|
molder |
December 15, 2022 06:18AM |
|
Hermione |
December 15, 2022 09:42AM |
|
molder |
December 16, 2022 06:50AM |
|
Ahatmose |
December 15, 2022 11:24AM |
|
Hermione |
December 15, 2022 12:03PM |
|
molder |
December 15, 2022 01:42PM |
|
Hermione |
December 15, 2022 05:55PM |
|
Ahatmose |
December 15, 2022 05:59PM |
|
Hermione |
December 15, 2022 06:18PM |
|
Ahatmose |
December 15, 2022 06:32PM |
|
Hermione |
December 16, 2022 03:27AM |
|
Hans_lune |
December 16, 2022 09:42AM |
|
Hermione |
December 16, 2022 10:07AM |
|
Ahatmose |
December 16, 2022 10:45AM |
|
Hans_lune |
December 16, 2022 10:48AM |
|
Byrd |
December 16, 2022 09:40PM |
|
Byrd |
December 15, 2022 06:58PM |
|
Ahatmose |
December 15, 2022 08:00PM |
|
Byrd |
December 15, 2022 11:29PM |
|
Ahatmose |
December 16, 2022 06:03AM |
|
Hans_lune |
December 16, 2022 09:52AM |
|
Hermione |
December 16, 2022 10:08AM |
|
Ahatmose |
December 16, 2022 10:36AM |
|
Hans_lune |
December 16, 2022 10:51AM |
|
Hermione |
December 16, 2022 01:46PM |
|
Hans_lune |
December 16, 2022 06:51PM |
|
Hans_lune |
December 16, 2022 10:49AM |
|
Byrd |
December 16, 2022 09:33PM |
|
Hans_lune |
December 16, 2022 09:50AM |
|
Pistol |
December 15, 2022 11:57AM |
|
Hans_lune |
December 15, 2022 01:39PM |
|
Hermione |
December 15, 2022 05:57PM |
|
Pistol |
December 15, 2022 11:44PM |
|
Hermione |
December 24, 2022 09:28AM |
|
Hans_lune |
December 13, 2022 05:32PM |
|
Byrd |
December 13, 2022 09:10PM |
|
Hans_lune |
December 13, 2022 07:21PM |
|
Pistol |
December 12, 2022 11:11PM |
|
Ahatmose |
December 12, 2022 09:19PM |
|
Hermione |
December 13, 2022 05:07AM |
|
Ahatmose |
December 12, 2022 09:49PM |
|
molder |
December 12, 2022 10:59PM |
|
molder |
December 16, 2022 06:57PM |
|
Hans_lune |
December 16, 2022 09:42PM |
|
molder |
December 17, 2022 05:10AM |
|
Hans_lune |
December 17, 2022 12:37PM |
|
molder |
December 17, 2022 04:58PM |
|
Hans_lune |
December 17, 2022 08:01PM |
|
Hermione |
December 18, 2022 04:12AM |
|
molder |
December 18, 2022 07:08AM |
|
Hermione |
December 18, 2022 09:17AM |
|
Hans_lune |
December 18, 2022 10:40AM |
|
Hermione |
December 18, 2022 11:52AM |
|
Hans_lune |
December 18, 2022 02:47PM |
|
Ahatmose |
December 19, 2022 11:04AM |
|
molder |
December 19, 2022 05:26PM |
|
Hans_lune |
December 18, 2022 10:50AM |
|
Byrd |
December 19, 2022 03:38AM |
|
molder |
December 19, 2022 06:21AM |
|
Hermione |
December 19, 2022 08:39AM |
|
Hans_lune |
December 19, 2022 10:53AM |
|
Hans_lune |
December 19, 2022 10:57AM |
|
Byrd |
December 19, 2022 11:12AM |
|
Hans_lune |
December 19, 2022 12:09PM |
|
molder |
December 19, 2022 05:34PM |
|
Hans_lune |
December 19, 2022 06:27PM |
|
molder |
December 19, 2022 11:46PM |
|
Byrd |
December 20, 2022 01:56PM |
|
Ahatmose |
December 21, 2022 04:04PM |
|
Byrd |
December 21, 2022 05:28PM |
|
molder |
December 21, 2022 05:39PM |
|
Byrd |
December 21, 2022 06:32PM |
|
Ahatmose |
December 21, 2022 10:30PM |
|
Byrd |
December 19, 2022 08:10PM |
|
engbren |
December 22, 2022 05:21PM |
|
Byrd |
December 22, 2022 11:32PM |
|
engbren |
December 23, 2022 12:09AM |
|
Hermione |
December 23, 2022 06:32AM |
|
Ahatmose |
December 23, 2022 10:51AM |
|
Ahatmose |
December 23, 2022 10:46AM |
|
Hermione |
December 20, 2022 08:57AM |
|
molder |
December 20, 2022 04:57PM |
|
Hans_lune |
December 19, 2022 10:52AM |
|
molder |
December 21, 2022 05:55AM |
|
Hermione |
December 21, 2022 06:59AM |
|
Hans_lune |
December 21, 2022 10:48AM |
|
engbren |
December 21, 2022 04:57PM |
|
Hermione |
December 17, 2022 06:16AM |
|
Ahatmose |
December 23, 2022 06:57PM |
|
Hermione |
December 24, 2022 06:09AM |
|
Ahatmose |
December 24, 2022 10:44AM |
|
Hermione |
December 24, 2022 12:11PM |
|
Ahatmose |
December 24, 2022 12:43PM |
|
Hermione |
December 24, 2022 01:41PM |
|
Ahatmose |
December 24, 2022 02:13PM |
|
Ahatmose |
December 24, 2022 06:53PM |
|
Ahatmose |
December 24, 2022 07:22PM |
|
Ahatmose |
December 24, 2022 08:10PM |