# how numerals 0 - 9 got their shape

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## Presentation Transcript

### Slide 1:

013456… 1 2 4 5 The Numbers

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The numbers we write are made up of algorithms, (1, 2, 3, 4, etc) called arabic algorithms, to distinguish them from the roman algorithms (I; II; III; IV; etc.). 013456… 1 2 4 5

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013456… 1 2 4 5 The arabs popularise these algorithms, but their origin goes back to the phenecian merchants that used them to count and do their commercial contability.

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013456… 1 2 4 5 Have you ever asked the question why 1 is “one”, 2 is “two”, 3 is “three”…..?

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013456… 1 2 4 5 What is the logic that exist in the arabic algorithms?

### Slide 6:

013456… 1 2 4 5 Easy, very easy…! There are angles!

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013456… 1 2 4 5 Look at these algorithms written in their primitive form and check it up! …

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013456… 1 2 4 5 1 angle 2 angles 3 angles 4 angles

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013456… 1 2 4 5 5 angles 6 angles 7 angles 8 angles

### Slide 10:

013456… 1 2 4 5 9 angles

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013456… 1 2 4 5 And the most interesting and intelligent of all…..

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013456… 1 2 4 5 Zero angle !

### Slide 13:

013456… 1 2 4 5 Moral of the story: It is never late to learn!

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013456… 1 2 4 5 Share it with your friends…….