Question

What is this symbol in mathematics ?
http://screencast.com/t/kHzbeZ9lA6d

Answer 1

HELLO ILL HELP

Answer 2

A GAUSSIAN NOISE

Answer 3

It means "equivalent to"

this site may be of help to you: http://en.wikipedia.org/wiki/List_of_mathematical_symbols

Answer 4

so its same as = then

Answer 5

whats the difference?

Answer 6

I'm thinking it may be either congruent like for squares.

Answer 7

equality (=) is not quite the same as equivalence.

Answer 8

IT HAVE 3 LINES NOT 2

Answer 9

e.g. jumping up and down for 10 minutes might be equivalent to 5 minutes exercise on a bike, but they are not "equal"

Answer 10

I see thanks , rolf @romnaymcdaniel3456

Answer 11

MEDAL