Re: math function

The square root of a negative number is an imaginary number.
The square root of -4 = 2i.

-Jonathan

On Nov 21, 2013, at 8:38 AM, Xi Chang wrote:

> Is there any a function in ncl that can be used to calculate something like this :
>
> square root of -4. = -1. * square root of 4. = -2 <----- the result that I want.
>
> thank you.
>
> Xi.
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Received on Thu Nov 21 06:41:48 2013