User:ClemensenE...

POSITIVE   and   NEGATIVE   numbers

×            A negative number multiplied by a negative number equals a positive number. ×            A negative number multiplied by a positive number equals a negative number. ×            A positive number multiplied by a positive number equals a positive number. ÷            A negative number divided by a negative number equals a positive number. ÷            A negative number divided by a positive number equals a negative number. ÷            A positive number divided by a positive number equals a positive number.