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Texas Instruments TI-89 Tip List

Texas Instruments TI-89
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1.0 Miscellaneous tips
[1.1] Discussion Group etiquette
TI maintains several discussion groups on their web site. These are like Usenet newsgroups in that
you can ask questions or post comments, but unlike newsgroups, they are moderated by TI.
The discussion groups are organized in two categories, Calculators at
http://www-s.ti.com/cgi-bin/discuss/sdbmessage.cgi?databasetoopen=calculators
and Education and Curriculum at
http://www-s.ti.com/cgi-bin/discuss/sdbmessage.cgi?databasetoopen=educationandcurriculum
Ray Kremer developed these suggestions for etiquette on the discussion groups. If you follow the
suggestions, you are more likely to get good, fast answers to your questions.
Groups:
! Try to choose the applicable group for your question. Graph Link problems in the Graph Link group,
no TI-89 questions in the Comments and Suggestions group, etc.
! It is not necessary to post a question in multiple groups, the people likely to answer it frequent most
of the groups and only need one post to respond to.
Before you ask:
! Check the manual for an answer to your question.
! Check tifaq.calc.org for an answer to your question.
! Check the FAQs at http://education.ti.com/product/tech/89/faqs/faqs.html and
http://education.ti.com/product/tech/92p/faqs/faqs.html for an answer to your question.
! Look over the old subject headings for a question similar to yours, an answer to your question may
already be in the group.
Subject heading:
! Put something in the Subject field, it's hard to get to the post otherwise.
! Use something short but descriptive of your question/comment. Do not just put "TI-89", or
"HELP!!!".
! Do not say "please read", the people likely to have an answer read all the posts anyway.
! If you absolutely must make a very long subject heading, put a quotation mark " after the fourth
word or so or else the whole thing will carry over in replies.
Author heading:
! Put something in the Author field, even a made up name. This makes it easier to tell who's talking if
a back and forth exchange results.
Post body:
! If it is not a calculator specific group, specify the calculator you are using.
! Capital letters is considered shouting, turn that caps lock off.
! Do not say "please reply", if somebody can answer your question rest assured they will reply.
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Texas Instruments TI-89 Specifications

General IconGeneral
Display size (HxV)100 x 160 mm
Memory type639K FLASH ROM, 188K bytes RAM
Compatible operating systemsOperating System 2.09
Battery typeAAA

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