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'? - Base
e, In, Log [03/08/2002] Problems in base e. For example:
3e^(2x-1) = 7, or e^(x+1) = 8. - Base of an Exponential Function
[09/15/2001] Why can't the base of an exponential function be
negative? - Base of Roman Numerals [04/07/2001] What is the base
of the Roman numeral system, base 10 or base 5? - Bell Numbers
[10/15/1998] How are Bell numbers generated? What are the first
12 Bell numbers? - Beyond Pythagorean Triples [11/20/2001] a^3+
b^3+c^3 = d^3 and a^4+b^4+c^4 = d^4: equations that are more
difficult than the situation with Pythagorean triples. - Binary
Addition (2s Complement) [09/25/2001] Given a number in binary
(10110111), I have to convert it to decimal using 2s complement,
then to BCD (binary c