Negative numbers are smaller than zero. Negative numbers get smaller and smaller the farther they are from zero. When dealing with negative numbers, the number closer to zero is the bigger number. Zero (0) has the unique distinction of being neither positive nor negative.

An integer is a whole number that can be either greater than 0, called positive, or less than 0, called negative. Zero is neither positive nor negative. Every number on the number line also has an absolute value, which simply means how far that number is from zero. The symbol for absolute value is two vertical lines.

What are negative numbers? A negative number is any number that is less than zero.

In the real number system, a negative number is a number that is less than zero. The laws of arithmetic for negative numbers ensure that the common-sense idea of an opposite is reflected in arithmetic. For example, −(−3) = 3 because the opposite of an opposite is the original value.

Non-positive means zero or negative. That is, non-negative includes zero whereas positive does not and vice versa. So non-negative means ≥0, not the same as positive.

Hence, 0 is neither positive nor negative.

If two positive numbers are multiplied together or divided, the answer is positive. If two negative numbers are multiplied together or divided, the answer is positive. If a positive and a negative number are multiplied or divided, the answer is negative.

The modulo operator returns the remainder of a division. But things get a little more tricky when you throw negative numbers into the mix. Doing an integer division and then multiplying it again means finding the biggest number smaller than a that is dividable by n without a remainder.

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