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Взято отсюда Hello,
Derive 6.1 is the world's #1 computer algebra system in terms of the math correctness/price ratio. It is unique in many respects, including its size, speed and scope. I had been a Derive beta tester during 1992-2005, to its very most recent release by Texas Instruments.
An independent review of Derive by Ray Girvan, with a title I fully agree with, Derive 6: Far too good just for students
http://www.scientific-computing.com/scwmarapr04derive6.html "Maths education is the main market for Derive, but Ray Girvan thinks this software should have a much wider appeal..."
Derive 6.1 is available via Chartwell-Yorke Ltd
http://www.chartwellyorke.com "Derive 6 Explore symbolic and numeric maths solutions from school to professional level. Particularly useful at KS4 and above. New version 6 shows calculus steps, exchanges data with TI calcs, has sliders to change values, and more."
For someone willing to download a 30 days fully functional demo (about 6 Mb only), here you are
http://www.chartwellyorke.com/D6setup.exe I can add that the VM machine shows that Derive 6.1 is the only commercial computer algebra system with a surprisingly low amount of defects. In contrast to Maple, Mathematica and MuPAD, regression bugs are practically absent in Derive during all its development history.
By the way, imho there is much interesting stuff in Derive newsletters here
http://www.derive-europe.com/support.asp?dug There is a number of tips and tricks here (in German, but you can still understand easily the mathematical formulae)
http://www.austromath.at/dug/faq/f_faq.htm A group for the users of Derive, Derive XM, Derive for Windows, and the Texas Instruments TI-92/89 is here
http://tech.groups.yahoo.com/group/eDUG/ I have no commercial interest in Derive meaning I earn not a single cent for its advertisement but I adore this system. If you have any question about Derive please feel absolutely comfortable free to contact me at
v b @ c y b e r t e s t e r . c o m
Cheers,
Vladimir Bondarenko</div>
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Кроме собственно Derive 6.10, в комплект включены книги: * Derive6Intro.pdf - Introduction to Derive 6 (A book for learning how to use Derive 6 with hints on how to teach with it)
* О.В.Лобанова. Практикум по решению задач в системе Derive.pdf
* В.П.Дьяконов. Системы компьютерной алгебры Derive. 2002.pdf
* В.П.Дьяконов. Справочник по системе символьной математики Derive. 1998.pdf
Дополнительную информацию на русском языке можно найти
здесь и
здесь.
Кроме того, замечания по установке ранней версии на PocketPC можно найти
здесь.
Мнения о пакете и его дальнейшей судьбе <div class="sp-wrap">
<div class="sp-body">К сожалению, в июле 2007 года пакет Derive был куплен у фирмы Soft Warehouse компанией Texas Instruments, обещавшей продолжить развитие продукта. Однако, Texas Instruments
прекратило развитие Derive (возможно, не в последнюю очередь в силу некомпетентности персонала, который они собирались "обучить"). Ситуация очень прискорбна, поскольку множество людей совершенно безвоздмездно вкладывало своё время и знания в развитие пакета, ставшего самой надёжной системой компьютерной алгебры, если верить
Vladimir Bondarenko и другим участникам
sci.math.symbolic.</div>
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