Re: tax question for accountants
"Mickey" <Mickey@NOSPAMFatHounds . com > wrote in message
news:gegk14505tg34jne4746hjllos6ov5gc8q@4ax . com ...
> Bart Goddard <goddardbe@netscape . net > wrote:
>
>>Mickey <Mickey@NOSPAMFatHounds . com > wrote in
>>news:9kdk14dk4aqgst2bb052n4u4jdvn8m5550@4ax . com :
>>
>>
>>> IM(non mathematician)O, I would say it should be the special case of
>>> (null). Any number zero times would be null.
>>
>>That won't square with the formulae we have for exponents.
>>
>>5^7 / 5^4 = 5^(7-4) = 5^3. We want 5^7 / 5^7 to be = 1.
>>So by the usual formula, 5^7/5^7 = 5^(7-7) = 5^0. So I'm
>>sorely tempted to define 5^0 = 1.
>>
>>Also, I'd like the graph of y=2^x to be continuous. It will
>>be, if I define 2^0 = 1.
>>
>>The general philosophy is that an empty sum = 0, while an
>>empty product = 1. This makes sense because an empty sum
>>means "I didn't add anything." So if A represents an empty
>>sum, then 5+A ought to = 5, since "I didn't add anything".
>>This makes us think A = 0. Likewise, if B represents an
>>empty product, then 5*B should = 5, since I didn't multiply
>>by anything. So I need B = 1.
>>
>>Since 5^0 means "I didn't multiply by 5", I need it to =1.
>>
>>Similar reasoning is why 0! = 1.
>>
>>B.
>
> I can see your reasoning, and I don't argue with it. But as a
> programmer, (null) and (0) are 2 different things. I went through all
> kinds of bloody hell trying to get my "manager" to grasp this concept,
> so it kind of rings my bell.
Nulls and 0's are different because the machine needs to treat them
differently. A null is a nothing, a 0 is a value. Which is why computer
start counting from 0.
Paul