How numerals 0 - 9 got their shape

2,083 views 14 slides May 12, 2015
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About This Presentation

Do you know why numbers look like they do? Someone, at some point in time, had to create their shapes and meaning.
Watch this short presentation and then you will know how our Arabic numbers were originally created a very long time ago and what logic the people that created them used to determine th...


Slide Content

0123456789 1
2
4
55
NumbersNumbers

The numbers we write are made up of
algorithms, (1, 2, 3, 4, etc.) called
Arabic algorithms, to distinguish them
from Roman algorithms (I, II, III,
IV, etc.).
1
2
4
55

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The arabs popularized these
algorithms, but their origin goes
back to the Phoenecian merchants
who used them to count and do
their commercial accounting.

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4
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Have you ever asked the
question why “one” is 1, “two”
is 2, “three” is 3...?

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What is the logic that
existed in the arabic
algorithms?

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Easy, very easy…!
There are angles!

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Look at these algorithms written
in their primitive form and
check it out! …

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1 angle
2 angles
3 angles
4 angles

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5 angles
6 angles
7 angles
8 angles

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9 angles

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And the most interesting and
intelligent of all…..

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Zero angle !

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It is never too late to learn!

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