- About Zero,
a selection of answers from the Dr. Math archives.
- Dividing by 0 - Dr. Math FAQ
- Why can't you divide by 0? Why is 0/0 "indeterminate" and 1/0 "undefined"?
Why is dividing by zero "illegal"?
- Integers, Rational & Irrational Numbers - Dr. Math FAQ
- What is an integer?...
- From the archives:
- Is Zero Even?
- The justification that 0 is an even number is based on the fact that
0 is divisible by 2. But how many times does 2 go into 0?
- Is Zero Odd or Even?
- My 4th grade students are not satisfied with any explanation I can offer.
- Is Zero Even, Odd, or Neither?
- Two students bet on whether zero is even, or neither even nor odd.
- Is Zero Prime or Composite?
- Is zero prime, composite, or neither?
- Is Zero a Number?
- Why is 0 classified as a whole number and not a natural number?
- Why is Zero Not a Natural Number?
- Can you explain why the natural numbers are {1, 2, 3...}? Also, is there a
way to prove that zero is an integer?
- Is Zero a Signed Number?
- What is the sign of zero?
- Is Zero a Square Number?
- Is zero considered to be a square number? I have found some sources
that say it is, and others that say it isn't.
- Is Zero a Multiple of Every Number?
- Is zero a multiple of every number? I have some books that say it is, and
others that say it isn't.
- Difference Between Zero and Nothing
- What is the difference between zero and nothing?
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