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[–] 27 points28 points  (3 children)

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Holy shit, that is amazing. The patterns aren't complicated at all, as long as you don't have to deviate and can use the same ones for any situation. That's a really solid tutorial, I wish I knew that back in my elementary days.

[–] 68 points69 points  (2 children)

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Is it just me or is the vedic way of doing it not really quicker than the normal way at all? I mean, you do the same processes of multiplication, addition, and carrying just in a different order. The "pattern" of normal multiplication is also even simpler.

[–] 8 points9 points  (1 child)

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The thing about this is that you don't have to hold a bunch of numbers in your head. If you multiply 123 x 523, you first get 3x123 = 369, and you have to remember that, then you do 20x123 = 2460 and add that to 369 to get 2829 and hold that in your head, then you do 500 x 123 = 61500 and add that to 2829 to get the answer. So through the whole process, you are using a whole lot more RAM and throwing a lot of numbers in the intermediate steps.

[–] 3 points4 points  (0 children)

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It's easier to start with the large and work your way down. You can often be accurate enough very quickly for most life needs. Most people get brain shut down when you start saying the answer and are finishing the calc in your head. In that pause your accuracy gets refined... It's like how people used to do web images that improved resolution vs. Linear loading. Parlor tricks.
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