When I was taking AP chemistry, I would've paid at least $10 for YAPT on the Ti-89. Instead of taking a 30% cut of NSpire app sales, they're getting a 0% cut of nothing. What's a TI executive going to say then? "We had a death grip on the market, but, uh, we completely failed to support a bunch of smart people who really wanted to give us free value." They're still riding the same basic Ti-82 design from 1993. With the NSpire approaching $165 for the unreleased color version, it may well be cheaper for education developers to program iPod touches and encourage educators to use those. The iPhone already has CAS calculators in the app store (Spacetime). With Ti-Emu already released, I can't imagine it would be that difficult to port for jailbroken iPhones. And yet while Apple opened an app store and released an SDK in 2008, what do we have from TI? Three years later, dedicated nerds are still trying to get homebrew up to par with that of calculators that are 10+ years old (TI-89)? Where is the vision here? I can already run every HP graphing calculator on my iPhone. It looks like Apple w/ the iPhone, circa 2007 (except the initial version of NSpire had an obscenely bad keyboard layout - the product manager on that one needs to explain that). What's the deal w/ Ti and Homebrew? Here you have a devices that millions of students will buy and use, guaranteed. Re: Re: Re: Beware Installing TI-Nspire OS v.3 Re: Re: Beware Installing TI-Nspire OS v.3Įven the non-CAS version with 84+ keypad is $40-$60 on eBay. Might be worth mentioning that the older model Ti-Nspire CAS is available for $65 on Amazon right now. Some calculator users without much experience may have their calcs bricked. Nice job making a news article about this. Their views are not necessarily those of, and takes no responsibility for their content. The comments below are written by visitors. Update ( Travis): TI now seems to have removed the download link for version 3.0.1 of the non-CX Nspire model from their website. (It should be noted that there may be incompatibilities between your current Boot2 and future TI-Nspire OSes, preventing this trick from working forever.) This means that you can effectively prevent your calculator from having downgrade prevention. Recently, Xavier, Sam101, Levak, Codeslicer, Critor2000, and Lionel released TNOC on TI-Bank, which will remove the Boot2 image from a TI-Nspire upgrade file. Additionally, I have been told that the unpatched OS v.3 has been found to occasionally brick calculators. This means, if you upgrade to an unpatched v.3 in order to play around with Lua, you won't be able to use Nleash and Ndless ever again. Xavier Andréani and Lionel Debroux have brought it to our attention that the TI-Nspire OS version 3 upgrade will update Boot2 as well, preventing downgrading to previous versions of the Nspire OS. Posted by Astrid on 22 April 2011, 00:59 GMT
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