See also the Dr. Math FAQ: 0.9999 = 1 0 to 0 power n to 0 power
0! = 1 dividing by 0 Browse High School Number Theory Stars
indicate particularly interesting answers or good places to
begin browsing. Selected answers to common questions: Infinite
number of primes? Testing for primality. What is 'mod'? - 0
Divided by 0 [11/27/1997] What is the answer to 0 divided by 0?
I think it is undefined... - 100 Factorial in Base 6: How Many
Zeros? [10/24/2001] How many zeros are there at the end of 100!
in base 6? - Adding Arithmetic Sequences [07/10/1998] How do you
add the numbers from 1 to 5000 without actually doing it or
using a calculator? What if you were adding just the odd
numbers? - Adding Hexadecimals [07/13/1998] A complete
introduction to the hexadecimal, including sample problems on -
Adding in Base 9 and Base 5 [10/21/1997] In 3rd grade my son is
learning how to add in bases other than 10. - Arithmetic in
Other Bases [02/25/2002] I need to know how to write out the
steps for addition, subtraction, multipl