Originally published at: http://www.howtogeek.com/171824/the-weird-truth-about-arabic-numerals/
If you tried to think of just one individual from history who has had the strongest, longest lasting influence on modern day mathematics, who would you choose? SciShow looks at the one man mathematical powerhouse known as Al-Khwarizmi, a scholar and teacher whose influence is still felt all throughout mathematics today in their latest video.
Arabic and Persian numbers are little bit different.
these are Persian numbers:
۹ ۸ ۷ ۶ ۵ ۴ ۳ ۲ ۱
these are Arabic numbers:
١ ٢ ٣ ٤ ٥ ٦ ٧ ٨ ٩
9 8 7 6 5 4 3 2 1
you can see the difference in 6 5 4.
Interesting story. Irritating presentation that was so fast it made it hard to follow, or glossed over important aspects. I'll not be watching any more of his.
I agree that the presenter's machine gun delivery was irritating but it was still interesting. I personally prefer text that I can read rather than to have someone essentially be reading to me. Reading would have been faster for me since I wouldn't have to keep rewinding to pick up what I missed the first time around.
I'm with you. I can take far more in by reading. Videos should be for times when there are visual scenes that matter to the presentation. I don't want to see a video of a man standing twitching.
I agree: too darn fast. The captioning was inaccurate, too, though it generally is on YouTube. You'd think Google would be better at converting speech to text, but in the meantime they ought to hire one of the companies that do it for TV.
He also interjected too many "funny" quips that detracted from the scholarship of the talk. Stick to the facts, and don't add your own ideas, especially if they fail at being humorous.
Overall, a good story about the numerals, but the delivery lacked professionalism.
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