by zero line do you mean 0?
or do you mean 0 with the slash in it like this /?
Chat with our AI personalities
a horizontal line
It is not possible to answer the questions since there is no such thing as a zero axis.
A mark on the number one unit to the left of the zero point.
Sub-Zero looks like this:. Happy? :) :) :) :) :) (: (: (: (: (: (:
Picture of ground zero