Zero (0) is a
number. It has been relatively late introduced into
mathematics, during the early
800s on
Indian books. Prior mathematical systems, such as the
babylonian or
Greek one, did not use zero at all, and worked quite well for every-day purposes.
Some basic rules for dealing with zero:
- It is the [neutral element]? in addition and substraction?.
- Any number multiplied? by zero becomes zero.
- The division by zero is undefined.
- Any number with zero as exponent (x0) is zero, except for X=0.
- Zero as the base of an exponent (0x) is zero, except for x=0.
- 00 is undefined.