Answers:
not compleatly
like radical 2 ~ 1.4
approximately
When ~ is used to mean approximately, it is BEFORE a number. The person who wrote woo~ is just typing any key on the keyboard, probably when a dash would have been appropriate. Some people when presented with a large number of keyboard buttons, just play around.
This article contents is post by this website user, EduQnA.com doesn't promise its accuracy.
More Questions & Answers...