LJL @ Romans building civilization while using TTT ROMAN NUMERALS
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Poast new message in this thread
Date: November 19th, 2019 11:07 PM Author: trip submissive generalized bond
Ancient Romans: Multiplying and dividing in their heads
You: Long division and carrying the one
(http://www.autoadmit.com/thread.php?thread_id=4385156&forum_id=2),#39143117) |
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Date: November 19th, 2019 11:17 PM Author: crusty newt queen of the night
Also, they didn’t do math in their heads
Date: 10/19/96 at 22:11:51
From: Doctor Mason
Subject: Re: Roman Contribution to Math
The Romans were indeed very good mathematicians. However, they tended
to study only what is now called "applied math." They wanted to be
able to use their knowledge to build the wonderful roads and bridges
you mentioned.
The Roman calculations were done on a board with grooves and holes.
I've tried to draw the board below, and indicate the place values each
groove and hole had.
-- -- -- --
| | | | | | | |
| | -- | | -- | | -- | |
| || | | || | | || || |
| | -- | | -- | | -- | |
| | | | | | | |
-- -- -- --
M D C L X V I
On this board, they would place pebbles, "calculi" in Latin. This
brings us to one of the Roman contributions to math: the words
"calculate", and "calculus" both come from this origin. They would
place one pebble in the appropriate place for each letter in their
numeral. Other pebbles could be added to them representing another
addend. The pebbles would have to be rearranged so no more than 4
were in a groove, or no more than 1 in a hole. They manipulated the
pebbles to do all their calculations.
http://mathforum.org/library/drmath/view/57564.html
(http://www.autoadmit.com/thread.php?thread_id=4385156&forum_id=2),#39143196) |
Date: August 18th, 2021 11:13 PM Author: brilliant abnormal friendly grandma
birdshits didnt have real numbers until like the 17th century when they finally got hindu numerals via the a-rabs
its fuking lolzy, u never cld even have basic computing without hindu numerals
birdshits are cave dwelling beasts
(http://www.autoadmit.com/thread.php?thread_id=4385156&forum_id=2),#42972757) |
Date: June 2nd, 2024 12:09 AM Author: brilliant abnormal friendly grandma
I didnt even know birdshits didnt have writing until like 3rd century AD, indians sand niggas and others had writing 3,000 to 5,000 years earlier or something
this is amazing!
(http://www.autoadmit.com/thread.php?thread_id=4385156&forum_id=2),#47711921) |
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