[duxuser] Re: Sigma

  • From: Sandy Rathjen <srathjen@xxxxxxxxx>
  • To: duxuser@xxxxxxxxxxxxx
  • Date: Tue, 06 Apr 2004 12:19:36 -0400

Ben Ong,
Could you be more specific about Sigma R?  What is the context?  Fraternity, 
physics formula, simple sentence explaining greek letters?  Are you typing in 
English?


george@xxxxxxxxxxxxxxxxxxx wrote:


Hi Ben,

If I'm not mistaken, you use the British Braille Maths Code.  So, I
consulted one of the small handful of experts here in the U.K.  The
response is as follows.

"Sigma - I assume he is trying to write Greek capital sigma (sum of)
followed by a lower limit sign in which case you need 16 (ch) to
indicate that the r is the lower limit then 56 (letter sign) then r
although I can't quite see what it means mathematically out of context.

Capital sigma is ALWAYS either alone or has limits (lower alone or upper
and lower).  The lower limit needs to be shown as 16, I think."

Hope this helps,

George Bell.


________________________________


        From: duxuser-bounce@xxxxxxxxxxxxx
[mailto:duxuser-bounce@xxxxxxxxxxxxx] On Behalf Of Ben Ong
        Sent: 06 April 2004 02:32
        To: duxuser@xxxxxxxxxxxxx
        Subject: [duxuser] Sigma
        
        
        Hi,

        With DBT, how do I achieve a "sigma-r" (sigma symbol and the
letter r beside it) and what should the braille representation be?

        My guess is dots 456 234 (sigma) and 56 1235 (letter symbol and
r).

Thanks.





        Ben Ong
        Braille Production Unit
        Singapore Association of the Visually Handicapped
        47 Toa Payoh Rise
        Singapore 298104

        Tel: +65 6251-4331 (ext. 171)
        Fax: +65 6253-7191
        URL: <http://www.savh.org.sg

*** To Help The Visually Handicapped Help Themselves ***

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------------------------------------------------------------------------


Hi Ben,
If I'm not mistaken, you use the British Braille Maths Code. So, I consulted one of the small handful of experts here in the U.K. The response is as follows.
"Sigma - I assume he is trying to write Greek capital sigma (sum of) followed by a lower limit sign in which case you need 16 (ch) to indicate that the r is the lower limit then 56 (letter sign) then r although I can't quite see what it means mathematically out of context.


Capital sigma is ALWAYS either alone or has limits (lower alone or upper and lower). The lower limit needs to be shown as 16, I think."

Hope this helps,

George Bell.


------------------------------------------------------------------------ From: duxuser-bounce@xxxxxxxxxxxxx [mailto:duxuser-bounce@xxxxxxxxxxxxx] On Behalf Of Ben Ong Sent: 06 April 2004 02:32 To: duxuser@xxxxxxxxxxxxx Subject: [duxuser] Sigma

Hi,

    With DBT, how do I achieve a "sigma-r" (sigma symbol and the
    letter r beside it) and what should the braille representation be?

My guess is dots 456 234 (sigma) and 56 1235 (letter symbol and r).

Thanks.





    Ben Ong
    Braille Production Unit
    Singapore Association of the Visually Handicapped
    47 Toa Payoh Rise
    Singapore 298104

    Tel: +65 6251-4331 (ext. 171)
    Fax: +65 6253-7191
    URL: <http://www.savh.org.sg

*** To Help The Visually Handicapped Help Themselves ***

    DISCLAIMER: The information contained in this email and any
    attachments is intended only for the use of the individual or
    entity to whom it is addressed and others authorised to receive
    it. It may contain confidential or legally privileged
    information. If  you are not the intended recipient, you are
    hereby notified that any disclosure, copying, distribution or
    taking any action in reliance on the contents of this information
    is strictly prohibited. If you have received this message in
    error, please notify the sender immediately and delete the mail
    and any attachments from your system. Unless it relates to the
    official business of the SAVH, any opinions, views and other
    information expressed in this document are those of the individual
    sender.

    * * * * This message is via list duxuser at freelists.org. * To
    unsubscribe, send a blank message with * unsubscribe * as the
    subject to . You may also * subscribe, unsubscribe, and set
    vacation mode and other subscription * options by visiting
    //www.freelists.org. The list archive * is also located
    there. * Duxbury Systems' web site is
    http://www.duxburysystems.com * * *

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