Subject: Re: Order of operations
Subject: Re: Order of operations
- Subject: Subject: Re: Order of operations
- From: Michael Cytrynowicz <email@hidden>
- Date: Fri, 09 May 2003 11:32:03 +0200
And,
back in school in the early 60s, in Sco Paulo, because students would often
have a hard time with the signs (how many times did I get a ZERO mark for a
given problem because I had - when it shoud have been +...)
we were though to think of
-((-2)exp(2))
as (-1){[(-1)(2)]exp(2)}
Mike
P.S. Hope I didnt get a 0 ...
>
Message: 11
>
Date: Thu, 8 May 2003 17:25:46 -0700
>
To: email@hidden
>
From: John Baltutis <email@hidden>
>
Subject: Re: Order of operations
>
>
On 05/08/03, Michelle Steiner <email@hidden> wrote:
>
>
>
> Actually, back in high school in the late 1950s, we were taught about
>
> the unary minus, and -2^2 was +4. No one ever said anything about an
>
> implied preceding zero.
>
>
And we were taught that a number to any power is: (number)^power
>
->(-2)^2 = +4
>
and its negative is: -((number)^power).
>
->-((-2)^2) = -4
>
Neither is ambiguous.
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