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Nleash: Take Back Control of your Nspire
Posted by Travis on 31 July 2010, 01:43 GMT

When TI announced Nspire OS 2.1, we reported on users' discovery that the update activated a seemingly permanent block against reverting to OS versions older than 1.7. In response, Olivier Armand (a.k.a. ExtendeD) has released Nleash. Nleash will forcefully remove both the downgrade protection and the installed 2.1 OS, allowing the user to reinstall any desired older version. For instance, OS 1.1 can be installed in order to run third-party C and assembly software through Ndless 1.x (which supports only OS 1.1).

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Re: Nleash: Take Back Control of your Nspire
shoveldude Account Info

I'm not sure what to think about this news.

On the one hand, we have the TI community who wants to unleash the power of this calculator--- a pretty interesting, helpful endeavor.

On the other hand, we have Texas Instruments itself, along with testing companies, who want to create a uniform standard for testing environments. Not all students will know where to look to get a program to help them get a 36 on the math section of the ACT, or an 800 on the same in the SAT--- not uniform testing standards, et cetera, et cetera.

I'm going to have to go 60/40 in favor of Texas Instruments on this one. It's sort of intangible as to why though. I dunno. What does everyone else think?

Reply to this comment    31 July 2010, 03:06 GMT

Re: Re: Nleash: Take Back Control of your Nspire
bwang Account Info

The solution, of course, is to write tests where even a full-fledged CAS would be of no use. Believe me, I've seen many of those before.
Anyway...congratulations to ExtendeD and the Ndless team! We win again :D

Reply to this comment    31 July 2010, 08:23 GMT


Re: Re: Re: Nleash: Take Back Control of your Nspire
Kevin Ouellet Account Info
(Web Page)

Yep. Just force the student to write the entire solution to the math problem and make the solution count for 75% of the question score, then teachers no longer have to worry about people using disallowed calculators, as those calculators would be pretty much useless at that point. This is how most math tests worked over here. The only time I used my calc was to quickly do basic math operations

Reply to this comment    31 July 2010, 13:13 GMT


Re: Re: Re: Re: Nleash: Take Back Control of your Nspire
J L  Account Info

Same here. I usually just use my calc to play games when I finish

Reply to this comment    10 November 2011, 21:28 GMT

Re: Re: Nleash: Take Back Control of your Nspire
graphmastur Account Info

I find it really funny that whenever someone mentions testing use for the ACT/SAT that they say it's not a fair playing field for everyone if some can program solutions or put cas like abilities in a non-cas.

I find this completely insane, as I see people use calculators and still get horrible scores. The problems on these test are designed to test logic as well as mathematical ability. In other words, you can't just type numbers into your calculator and hope it just works.

Excellent work, everyone!

Reply to this comment    31 July 2010, 19:19 GMT


Re: Re: Nleash: Take Back Control of your Nspire
elfprince13 Account Info
(Web Page)

To be blunt, if you suck at math, a calculator won't save you (at least not with the sorts of problems they have on the SAT), and if you don't, you can get by just fine with or without your calculator.

Reply to this comment    31 July 2010, 21:39 GMT

Re: Nleash: Take Back Control of your Nspire
schoolhacker hacker  Account Info
(Web Page)

the only thing i can say here is...

YES! TI GOT OWNED!!!

Reply to this comment    31 July 2010, 04:27 GMT

Re: Nleash: Take Back Control of your Nspire
Kevin Ouellet Account Info
(Web Page)

YAY! I wonder how TI will retaliate to this now, though x.x

Regardless, nice job ExtendeD

Reply to this comment    31 July 2010, 05:12 GMT


Re: Re: Nleash: Take Back Control of your Nspire
Compynerd255 Account Info
(Web Page)

Yes, it is bad that TI is retaliating this strongly. However, I can think of 3 reasons that TI prevented the downgrade:

1. Ndless, for some reason or another, is illegal (dig out your EULAs, boys). So, TI decided to prevent the downgrade because they knew Ndless's weakness.
2. TI was worried that the new features of 2.0, such as the Touchpad, would send the calc in flames or something if they were used in earlier OS versions.
3. Some grouchy programmer who didn't get his coffee found out about Ndless, and put in the OS block just to make us mad. "Myah ha ha ha ha! Take THAT, kids!"

To me, #2 seems like the most likely reason, as no other Assembly hack has ever been attacked by TI, although #3 is also quite likely likely.

Reply to this comment    12 August 2010, 13:19 GMT

Re: Nleash: Take Back Control of your Nspire
The-Angry-Scientist Account Info

WE ARE THE TI COMMUNITY. RESISTANCE IS FUTILE.

Thanks TI community!

Reply to this comment    31 July 2010, 05:13 GMT


Re: Re: Nleash: Take Back Control of your Nspire
Someone Someone  Account Info

If a permament ability to program the Ti-Nspire is established, I will purchase one to program with. But, who knows what TI will do next. :D

Reply to this comment    31 July 2010, 05:21 GMT


Re: Re: Re: Nleash: Take Back Control of your Nspire
The-Angry-Scientist Account Info

I admit I might have reconsidered buying one if I had known before hand...TI has the hardware to dish out an awesome OS but instead they choke it by limiting what it can do...

Reply to this comment    31 July 2010, 17:49 GMT

Re: Nleash: Take Back Control of your Nspire
critor  Account Info
(Web Page)

Note, with Nleash you can also downgrade the TI-Nspire TouchPad with a 1.x OS.

But you'll need a ClickPad keypad in order to make it work properly.

Reply to this comment    31 July 2010, 11:18 GMT

Re: Re: Nleash: Take Back Control of your Nspire
codeslicer Account Info

So I take it, for now, there's no way to ultimately use Ndless on a TI-Nspire CAS with Touchpad, if I don't have any Clickpads?

Can the developers of Ndless use the exploit found in Nleash to their advantage in creating Ndless 2?

Reply to this comment    31 July 2010, 13:44 GMT


Re: Re: Re: Nleash: Take Back Control of your Nspire
Lionel Debroux Account Info
(Web Page)

> So I take it, for now, there's no way to ultimately use Ndless on a TI-Nspire CAS with Touchpad, if I don't have any Clickpads?
Correct: OS 1.1 does not handle the Touchpad keyboard.

> Can the developers of Ndless use the exploit found in Nleash to their advantage in creating Ndless 2?
You don't expect the reply to this question to be given to you in such a public place as ticalc (since we know TI reads ticalc), do you ? ;-)

Reply to this comment    31 July 2010, 18:30 GMT


Re: Re: Nleash: Take Back Control of your Nspire
nspirations  Account Info

So I need to buy a ClickPad for this to work?
Gee, thanks...

Reply to this comment    4 October 2010, 19:09 GMT


Re: Re: Re: Nleash: Take Back Control of your Nspire
nspirations  Account Info
(Web Page)

Umm, where exactly do you get one? I went to the link in the url.
It says the only keypads for the non-CAS TouchPad Nspire are the TI-84 keypad and replacement TouchPad ones. But the ClickPads can still work with TouchPad Nspires, right?

Reply to this comment    4 October 2010, 19:18 GMT

Re: Nleash: Take Back Control of your Nspire
Flexico  Account Info
(Web Page)

Heh, figured this wouldn't take y'all long to get around. =P Same as I figured as soon as I heard there was no ASM for the Nspire. =D

Reply to this comment    3 August 2010, 17:28 GMT

Re: Nleash: Take Back Control of your Nspire
Ejmey Account Info

That's it, never surrender!

I have a lot of respect for the work these people are doing, the nspire has very powerful hardware for a calculator, and ti are not allowing programmers to make use of it to its full potential for reasons that don't hold up well. I don't like the way TI are treating nspire users, the 2.0 upgrade was disappointing on a clickpad nspire (though maybe they improved the ui in 2.1). I would have preferred to stay with 1.7.

Reply to this comment    10 August 2010, 22:54 GMT


problem
suzukipv Account Info

my ti send to whine me about z80 files and it not identifity it ? so what i do ?

Reply to this comment    16 August 2010, 15:27 GMT


Re: problem
suzukipv Account Info

not anymore

Reply to this comment    16 August 2010, 15:50 GMT

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