Perhaps your question should be what terms fit together in English such as: and/or versus neither/nor.
Either and Neither are used with an auxiliary or modal verb to express agreement in the negative (as compared to expressing agreement in the affirmative, when we use "Too" or "So"), e.g."I haven't been to France. I haven'teither / Neither have I." ("I have been to France. I have too / So have I.")"I can't see the screen. I can't either /Neither can I."Either is used with a negative verb; Neither is used with an affirmative verb.
Not on its own. But it is called a "correlative conjunction" when it is paired with the conjunction "nor" that is located separately in the sentence. Neither can otherwise be an adjective or pronoun.
Zero is neither positive nor negative.
Neither. It represents "nothing" Zero is neither a positive or negative number. It is just plain zero. So you don't have to stress on remembering if it's a plus or minus! :0) neither 0 is neither negative nor positive. Zero is neither positive nor negative.
0 is neither a positive nor negative number. neither
Neither. It is in between positive and negative but it is still an integer.
It is neither negative nor positive.
No, neither negative or positive.
no 0 is neither positive or negative
Neither.
Neither.
No 0 is neither positive or negative.