![]() (On a side note, it probably remains to be proved that high-tech calculators make teaching, i.e. You're thinking like a member of the open development community, as I do, and as most of the readers do.īut that's not how the top management at TI is thinking :)ĪFAWCT from TI's actions, nowadays, the top management cares more about the school system (which, in some countries, is their primary customer), teachers (most of them don't want games) and standardized tests with reduced math functionality (which is a practice completely disconnected from real-world usage.), than about making their calculators useful for usages other than pure high-tech, interactive teaching. It's because they are sick people obsessed with controling others. Re: Re: Re: Re: Re: DowngradeFix for the TI-Nspire Ok, so i understand that they don't want us to use c++ or ASM on the calc, but why? I mean, how could they lose money if i program my calc in C ? They should be happy that more possibilities useful for eventually more buyers from that new ways to progam the calc? Re: Re: Re: Re: DowngradeFix for the TI-Nspire However, Lua remains a very far cry from native code, in terms of features (no io.* and os.*, etc.), performance (while interpreting Lua is faster than interpreting a number of other languages, LuaJIT can pull 10-100x improvements for some routines - and that's still slower than native code), and expressiveness (access to the internal CAS functions, like on the TI-68k/AMS platform). Lua is a _very_ welcome development for officially sanctioned programming on the Nspire platform: at long last, there's another choice for high-level programming than the BASIC whose abilities, in some areas, are lower than those of the TI-81 released ~20 years ago. They've thrown the Lua bone at the community, maybe they thought it would decrease attempts at bringing native code on the Nspire platform. The management at TI keeps being dead set against native code access on the Nspire. TI doesn't want us to downgrade because older versions allow native code (C/C++/ASM programming), while 3.0.1 & 3.0.2 don't allow this - yet. Re: Re: Re: DowngradeFix for the TI-Nspire ![]() Why TI didn't want us to downgrade OS? and why should i need to downgrade OS? I read here and there but the goal of the battle between TI and hackers is not explain just the way to defeat TI but not why. and 3., has received hardening against stack-based buffer overflow exploits. The newer 3.0.1.99 boot2, packaged alongside OS 3. Good to see this file released, and congratulations to its anonymous author :)ĭowngradeFix is indeed suitable for boot2, which is the earliest boot2 version able to load OS 2.1.0.631 and later. Their views are not necessarily those of, and takes no responsibility for their content. The comments below are written by visitors. It is nothing serious, but if you experience issues you can read about the simple solution here. ![]() Update: There have been reports of a bug that may be present when using this method to downgrade. It is important to read the details of this software as well as its implications, so swing on over to the official post and give it a read. ![]() DowngradeFix is said to be compatible with all calcs that are not running the version of Boot2 included in OS v3 for the TI-Nspire. My preliminary understanding is that DowngradeFix is a fake OS that wipes the minimum OS allowed on the calc, thus allowing for downgrading. This software allegedly performs the same operation as Nleash, however, it is performed in a different manner. Posted by Ryan on 16 June 2011, 00:42 GMTĪn anonymous user over at TI-BANK has released DowngradeFix for the TI-Nspire series. ![]()
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