Vedic Mathematics - anyone know about this? Or Mayan math?

I have been studying vedic mathematics all weekend and it seems like it is just a way to do quick calculations.  I don't see much spirit in there.

sure

also, I see that their are tricks in vedic math that no one I know has heard of and I hang out with computer programmers and people who you would think would have heard of the tricks.

one is that any number that ends with a 5 can be squared really quickly

(25)^2 = 2*3 concatenate 25 = 625

(35)^2 = 3*4 concatenate 25 = 1225

make sense?  if not I can try to explain it better.

cheers,
alex

you mean, what is the proof?

if that is what you mean, then I don't know but I'm trying to figure that out and when I do, i will post back.

I'm not sure if I understand your question but I will try to answer it and if I haven't answered it then let me know

I think someone would use it if they needed to square a number that ended in a 5.

I guess it would depend on what you tend to do with your time, but if you do anything that is math oriented then you would often run into situations where you might need to square a number ending in 5, like what is the square of 445?

I guess also, it is just interesting that there is a pattern like this.

Wow thats some awesome stuff, thanks alot for the link.