Logic behind Arabic Numbers

February 23rd, 2009 Vijay Leave a comment Go to comments

The number system what we use today (1,2,3,4,5…) is called Arabic Numbers System. We also have Roman Numbers System (I, II, III, IV, V, …) which is rarely being used.

Have you ever thought WHY One is 1, Two is 2, Three is 3 … and so on?

It is all because of Angles. Yes, it is the number of angles in each letter.

The following image has ancient Arabic numbers. All the angles that are formed in these letters are mentioned by the letter o.

Ancient Number System - Arabic Letters

Ancient Number System - Arabic Letters

The number of angles gives meaning to each letters.

Number 1 has one angle
Number 2 has two angles
Number 3 has three angles
….
and so on.

Observe the letter Zero. It has no angles.

Interesting. Isn’t?

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  1. February 24th, 2009 at 08:41 | #1

    Man, you are awesome collecting so many strange and amazing things… Again a good one from you :)

  2. February 24th, 2009 at 09:31 | #2

    Thanks! Pavan.

  3. Claw
    February 26th, 2009 at 10:09 | #3

    This is bloody brilliant!
    Thanks for sharing

  4. nick
    March 2nd, 2009 at 06:17 | #4

    Would be interesting, but you tweaked the numbers to fit your purpose. Why does the 5 have a twist at the base? Why are you only the angle at the bottom in the 7? Why would an 8, two circles, be made of two triangles? For the love of god, why the hell does your 9 have a spiral? I’m calling shenannigans.

  5. ian
    March 4th, 2009 at 00:53 | #5

    I gotta agree with nick in calling shenanigans on this one…why is the 2 written like a Z, why does the 9 have a spiral but not the 6, they should be opposite…gotta agree with the 8 argument as well. If you are truly writing the 4 like that it should have a line on the bottom and the middle line should go through the vertical one giving it 4 more angles. With everything drawn as straight lines the zero should have been drawn like a rectangle (or square) giving it 4 angles, not with curves OR the other numebrs should have been drawn with curves. Numbers were seriously tweaked.

  6. wvp
    March 12th, 2009 at 08:35 | #6

    For a “New Theory on the Typographical Roots of the Hindu Arabic Numbers and Brahmi Scripts”, see
    http://www.geocities.com/rmlyra/Numbers.html

  7. Kazem
    March 16th, 2009 at 18:13 | #7

    I am surprised that no body noticed that these numbers are Latin numbers not Arabic numbers!!!

  8. W A Wolff
    March 24th, 2009 at 05:27 | #8

    Well those are NOT the Arabic numbers in use today. One glaring example is that zero really had no angles; it is just a dot and five is a
    circle. Just GOOGLE this or go to the Middle East and learn the real numbers; they are on your room door, prices in the stores, and on license plates. Their numbers are written left to right instead lof like their letters which are right to left.

  9. Big K
    April 7th, 2009 at 18:02 | #9

    @ian
    True arabic numbers had additive and diminutive angles. The number 4 was actually a cross: “+” Do a search on arab numbers additive and diminutive, and you will see what I mean.

  10. LWT
    April 15th, 2009 at 18:13 | #10

    The angles may represent the early European writing of Hindu / Arabic numbers, but not the originals. In Arabic 1 is one horizontal bar, 2 is two horizontal bars and 3 being three bars. The number six looks like a 7.

  11. lilbrother
    May 15th, 2009 at 14:23 | #11

    what point are you trying to make?Is it that arabs have angles to all they do except when no one is involved?or am i just dumb and don’t get it?

  12. acoma
    July 26th, 2009 at 09:06 | #12

    the arabic language slowly adopted the hindu number system, while the west adopted the arab number system.
    if you know anything about arabic is that almost half of their 0-9 system is written out in a similar way to our own western 1-9 written system.

    Look it up before you make comments

  13. roflol
    July 26th, 2009 at 15:22 | #13

    @ Kazem,
    roman numerals are XIV etc.

  14. Mahgoon
    July 28th, 2009 at 13:50 | #14

    Hi.
    I think in this logic is one deflection, and it is about the method and style of draw for wirite the numbers.
    for example: at the end of number 9 is same as number 6; but in above picture we see at the end of 9 is some rotation-addition!! why?! because the master of this logic have to impose and inflict to all that: this logic is right!
    this is the logic of dictator’s -logic!
    we dont be alike patsy.

  15. puzz
    July 28th, 2009 at 15:38 | #15

    Look at the last sentence here: http://en.wikipedia.org/wiki/Arabic_numerals#Common_misconceptions

    “One popular example of such myths claims that the original forms of these symbols indicated their value through the quantity of angles they contained.”

  16. July 28th, 2009 at 16:36 | #16

    @puzz That’s a nice thing to know. Thanks for the share.

  17. July 30th, 2009 at 13:03 | #17

    cool point but
    this is though to be a myth
    “Despite evidence to the contrary, some folkloric explanations for the origin of modern Arabic numerals persist. While these hypotheses continue to propagate due to their seemingly well-constructed arguments, they were based entirely on speculation by individuals who, while genuinely intrigued by the subject, were either ignorant of the relevant archeological facts, or simply lived in an era preceding much of their modern rediscovery. One popular example of such myths claims that the original forms of these symbols indicated their value through the quantity of angles they containe” http://en.wikipedia.org/wiki/Arabic_numerals

  18. Kindi
    August 26th, 2009 at 18:30 | #18

    This is not necessarily true. I am a numerologist and there is no evidence to back it up. It is a myth that someone came up with, and others went to great lengths to propagate it. Don’t believe everything you read on the internet. -Kindi

  19. August 28th, 2009 at 20:26 | #19

    wow! really impressing! thanks for sharing! is it true or tale? i guess, we could know it only if we could interrogate the inventors… :)

  20. Harry
    October 5th, 2009 at 08:04 | #20

    It is a myth.. we have no proof. Sorry for the disappointment. But i too was amazed when i read about it. Seems to make sense though but again no proof.

  21. Karl
    October 9th, 2009 at 21:46 | #21

    You made this up. It is absolutely not true.

  22. October 10th, 2009 at 00:14 | #22

    @Karl @Harry
    This is just my reading and sharing with you all. This will/may be proven by someone :)

  23. Geoff
    October 17th, 2009 at 03:16 | #23

    i cant go on becuase 10 1-0 only 1 angle so i would remove the so on thing :D

  24. Dol Raj Sigdel
    October 20th, 2009 at 12:47 | #24

    i really agree on this angle. as its seems to be more relevant and logical methods to have its definition….thanks to whom it proved!

  25. getrealbubba
    November 19th, 2009 at 21:04 | #25

    That’s just plain stupid… think about it. Someone created a numeric system, i.e., numbers, using the NUMBER of angles on the NUMBER. Having knowledge of angles requires a numeric system.

    Stupid.

  26. omid
    December 2nd, 2009 at 12:08 | #26

    very good

  27. Richard Deatherage
    January 4th, 2010 at 20:09 | #27

    @ian
    What you have to realize is we do not write the numbers as they were originally written. We have shortened them for our convenience.

  28. nomc
    February 2nd, 2010 at 08:27 | #28

    If you use the number of 90 degree angles only instead of any angle it works better – it allows for the + in 4 , use a + (at the -| point) in 9 and you don’t need the curling tail, the eight is closer to an 8 shape and also the 2 (2 right angles at the top and rest made from 45 degree angle is a beter fit

  29. Rocky
    February 28th, 2010 at 20:50 | #29

    Guys, this is not a myth, or a theory. There are books and historical facts about this all you got ot do is research and read.
    Key word: Al khawarizmi.

  30. Des Fish
    March 1st, 2010 at 09:43 | #30

    As a kid I learned that all our digits derived from King Soloman’s finger ring which had a square design with a diagonal cross. If you sketch this you can obtain all of our numerals. What do you reckon?

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