This is a repost of Sagwas's post, so that we have an actual thread for future reference.
" Hi, I'm a newbie and I'm in desperate need of help!
I need to program a Cauchy Bound calculator for TI-84 (SE). I've tried a lot of things; I've looked it up (and found a thing that didn't work), tried pondering it over on my own, etc. But as a relatively new programmer I have no idea what I'm doing and therefore I'm not making much headway. :/
I'd really appreciate it if someone could help me, and really soon… here are the guidelines:
Write a program for a TI-84 or TI-89 graphing calculator called cauchybound. Your program should ask for a polynomial, and then proceed to compute the Cauchy Bound for that polynomial. Finally, if the Cauchy Bound is [-(M+1), M+1], then your program should make the calculator graph the polynomial with the window settings xmin = -(M+1) and xmax = M+1.
Thanks so much in advance!"
and his second post
" I've been working a little more on it and one thing that I don't know how to do is:
In order for the Cauchy Bound to work, you have to input a polynomial. How can I program it so that the user can input any type of polynomial, not just one type like a quadratic equation? For instance,
f(x) = anxn + an-1xn-1 + an-2xn-2 +… + a0 "
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