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Re: assign an octal number to a variable [message #62951 is a reply to message #62885]

Tue, 14 October 2008 13:33

duxiyu@gmail.com
Messages: 88
Registered: March 2007

Member

On Oct 14, 9:46 pm, "mgal...@gmail.com" <mgal...@gmail.com> wrote:
> On Oct 14, 12:09 pm, "dux...@gmail.com" <dux...@gmail.com> wrote:
>
>> Thank you very much.
>> This is what I want.
>
>> But I still have a question as follows:
>
>> IDL> print,"77
>> 63
>
>> "16 is equal to '77'o.
>
> I'm a bit confused by the statement. "16 is equal to '16'o and "77 is
> equal to '77'o; they are different notations for the same thing.
>
> ; 16 octal = 1 * 8 + 6 = 14 decimal
>
> IDL> print, "16
> 14
> IDL> print, '16'o
> 14
>
> ; 77 octal = 7 * 8 + 7 = 63 decimal
>
> IDL> print, "77
> 63
> IDL> print, '77'o
> 63

Yes, I know "16 is another notation of '16'o.
I want to learn more about it,
and wonder whether there is the similiar notation for the binary or
hexadecimal number.
But I cannot find any information about it in IDL help.
Did you see this notation before?

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[Message index]

		assign an octal number to a variable By: duxiyu@gmail.com on Mon, 13 October 2008 15:40
		Re: assign an octal number to a variable By: David Fanning on Tue, 14 October 2008 14:38
		Re: assign an octal number to a variable By: duxiyu@gmail.com on Tue, 14 October 2008 14:29
		Re: assign an octal number to a variable By: Michael Galloy on Tue, 14 October 2008 14:13
		Re: assign an octal number to a variable By: duxiyu@gmail.com on Tue, 14 October 2008 13:33
		Re: assign an octal number to a variable By: Michael Galloy on Tue, 14 October 2008 12:46
		Re: assign an octal number to a variable By: duxiyu@gmail.com on Tue, 14 October 2008 11:09

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