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06-25-2006, 09:19 PM
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#16 | | Senior Member
Join Date: Oct 2004
Posts: 4,853
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no...I don't think so
I've done it so it tells me the answer to a log. equation (limits)
so...it does work
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06-25-2006, 09:31 PM
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#17 | | Member
Join Date: Sep 2005
Posts: 461
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Congrats on it working for you! Now, any ideas on why it might not be working for me? What keystrokes do you go through on your calc to get to implicit differentiation?
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06-25-2006, 10:34 PM
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#19 | | Junior Member
Join Date: Apr 2006
Posts: 92
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glucose,
i'm not sure which ones, but there are several 89 programs that did not run on titaniums, several of my friends had the problem.
my point was that i don't think the extra cost of the titanium is not justified, it's not necessarily faster or better, and unless you want to load your calculator with starcraft, the extra memory is overkill. apps for school really don't take up that much space...
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06-25-2006, 10:40 PM
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#20 | | Senior Member
Join Date: Oct 2004
Posts: 4,853
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well I got mine on ebay for $85...so it was worth it for me
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06-25-2006, 11:14 PM
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#21 | | Member
Join Date: Mar 2006
Posts: 417
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I just husseled a guy with a TI-86. MSRP at Bestbuy: $114
My price: $10
I'm a hussalah.  | |
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06-26-2006, 09:42 AM
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#22 | | Junior Member
Join Date: Apr 2005
Posts: 175
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You get used to it. Esp. when it has all these helpful functions like Solve... put a "." after a fraction to get a decimal.
I can only get log() from the catalog.
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06-26-2006, 10:41 AM
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#23 | | Senior Member
Join Date: Apr 2006 Location: Indiana
Posts: 3,033
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does anyone know where I can get a good price on an 89 titanium? I just lost mine, and I haven't told my parents yet, but since they bought it, I'll probably have to replace it...
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06-26-2006, 12:09 PM
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#24 | | Senior Member
Join Date: Aug 2004 Location: New York City
Posts: 3,962
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I can only get log() from the catalog.
| Just use ln (natural log).
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06-26-2006, 03:38 PM
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#25 | | Senior Member
Join Date: Oct 2004
Posts: 4,853
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ln()=log()
just type in ln()
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06-26-2006, 05:18 PM
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#26 | | Senior Member
Join Date: Dec 2004 Location: bostonia baby
Posts: 1,023
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Aw, you guys make me jealous. I'm still totin' around my bright green TI-83+! But it has pretty red and green apple stickers all over it, so... it must be infinitely cooler than all of yours :]
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06-26-2006, 07:40 PM
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#27 | | Senior Member
Join Date: Aug 2004 Location: New York City
Posts: 3,962
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Does the clock/date in the upper right corner waste your batteries when your calculator is off? I feel like buying stickers to decorate my calculator. LOL.
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06-26-2006, 07:41 PM
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#28 | | Senior Member
Join Date: Mar 2006 Location: in the sky with diamonds
Posts: 2,250
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ziggy will be here soon...
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06-26-2006, 08:00 PM
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#29 | | Member
Join Date: Sep 2005
Posts: 461
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glucose, I'm talking about logs of different bases, not just base 10 and base e.
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06-26-2006, 08:13 PM
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#30 | | Senior Member
Join Date: May 2006 Location: Berkeley
Posts: 4,280
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What kind of subjects would I need a ti89 calc? I currently have a 84+. Useful in college as well?
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