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Embarrassed to ask
07-16-2014, 02:02 PM
Post: #6
RE: Embarrassed to ask
(07-16-2014 01:48 AM)lrdheat Wrote:  Why is -8^(2/3)=-4 instead of 4?
It is a convention to have the unary minus as a shortcut for (your example) 0-8^(2/3). So, a written negative number is not atomic, nor does the unary minus have a priority different from the binary minus. This is strange enough to have many people fall for expectations like yours.
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Messages In This Thread
Embarrassed to ask - lrdheat - 07-16-2014, 01:48 AM
RE: Embarrassed to ask - Waon Shinyoe - 07-16-2014, 02:08 AM
RE: Embarrassed to ask - Joe Horn - 07-16-2014, 03:48 AM
RE: Embarrassed to ask - John R - 07-16-2014, 06:01 AM
RE: Embarrassed to ask - Didier Lachieze - 07-16-2014, 06:53 AM
RE: Embarrassed to ask - jebem - 07-16-2014, 07:48 PM
RE: Embarrassed to ask - Mark Hardman - 07-16-2014, 08:38 PM
RE: Embarrassed to ask - jebem - 07-16-2014, 08:57 PM
RE: Embarrassed to ask - John R - 07-16-2014, 09:43 PM
RE: Embarrassed to ask - jebem - 07-17-2014, 06:45 AM
RE: Embarrassed to ask - Thomas Radtke - 07-16-2014 02:02 PM
RE: Embarrassed to ask - walter b - 07-16-2014, 02:35 PM
RE: Embarrassed to ask - Thomas Radtke - 07-16-2014, 05:07 PM
RE: Embarrassed to ask - walter b - 07-16-2014, 09:08 PM
RE: Embarrassed to ask - lrdheat - 07-16-2014, 02:53 PM
RE: Embarrassed to ask - Thomas Radtke - 07-16-2014, 05:11 PM



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