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Re: Roots other than square roots in Emacs calc
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From: |
Jay Belanger |
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Subject: |
Re: Roots other than square roots in Emacs calc |
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Date: |
Tue, 25 Aug 2009 10:04:21 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux) |
Teemu Likonen <tlikonen@iki.fi> writes:
> On 2009-08-25 09:16 (-0500), Jay Belanger wrote:
>
>> The ^ command gives powers; with the inverse flag, I ^, you will get
>> the roots. So, for example, to find the cube root of 27, you can enter
>> 27 RET 3 I ^
>
> Interesting. So, these are the basic options:
>
> 27 RET 3 & ^
> 27 RET 3 I ^
Yes. If you use the first option, you'd want to be in fraction mode so
you are taking 27 to the 1/3 power and not the 0.333333333333 power.
The second option doesn't depend on the mode.