The most powerful calculator in the world
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12-12-2017, 03:13 PM
(This post was last modified: 12-12-2017 03:14 PM by parisse.)
Post: #6
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RE: The most powerful calculator in the world
(12-12-2017 12:13 PM)akmon Wrote: Well, just for curiosity, I googled the title of the thread to see what it shows, and I found a forum saying that TI Nspire CAS was the best. The reason: he tried to do this: solve(a*x^3+b*x^2+c*x+d=0, x) and the calc managed to solve it with a huge expression.Perhaps it should be a FAQ. solve returns [] for a 3rd or 4rd order generic polynomial on the Prime because the answer would be completly unusable for further computations. The right way to handle solutions of 3rd or larger order equations is algebraic extensions of Q (rootof in Xcas, not available on the Prime). If you really like complicated useless expressions, it's not hard to write a user program to return the solutions with Cardan (or Ferrari) formula. Code:
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