Is there a name for all numbers different than zero?

Solution 1:

In programming, we would write this as not 0 or !0. If we search about not 0 number or non 0 number we find an answer.

nonzero number

A quantity which does not equal zero is said to be nonzero. A real nonzero number must be either positive or negative, and a complex nonzero number can have either real or imaginary part nonzero.

wolfram.com

A nonzero number is any number that is not equal to zero. This includes both positive and negative numbers as well as fractions and irrational numbers.

reference.com

Chemists, mathematicians and scientists who complete equations in their research consider all nonzero numbers to have meaning or significance whether the number is negative or positive. Any number, whether positive or negative, that does not equate to zero essentially represents a nonzero number.

sciencing.com

Also on math.stackexchange.com:

An integer is any whole number or its negative, e.g. ..., -2, -1, 0, 1, 2, ...

A non-zero integer is any of these but 0.

What does non-zero integer mean?