Negative Numbers

Numbers that are less than zero are negative numbers. Usefulness suggested by Raffael Bombelli in 1572.

Addition of a negative is equivalent to subtracting a positive.

For example;

Subtraction of a negative is equivalent to adding a positive.

For example;

A positive multiplied by a negative creates a negative.

For example;

A negative multiplied by a negative creates a positive.

For example;

A positive divided by a negative (or a negative divided by a positive) creates a negative.

For example;

A negative divided by a negative creates a positive.

For example;

See also: Addition, Division, Multiplication, Negative.