Re: TI-85 and log(-4)
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Re: TI-85 and log(-4)
David Socher <dsocher@aristotle.net> wrote:
: My algebra instructor had everyone punch the log of a negative number
: into their calculator to demonstrate that this could not be done.
: Everyone got an error message except me and my TI-85. I got something
: that looks like a complex number. My instructor couldn't explain it.
: The manual doesn't to cover it. Can anyone tell me what's happening
: here?
It is a complex number. Log (-4) has no REAL result, but it does have a
complex one.
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