85 BASIC Programming HELP
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85 BASIC Programming HELP
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To: CALC-TI@LISTS.PPP.TI.COM
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Subject: 85 BASIC Programming HELP
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From: Firstname Lastname <brian87@ibm.net>
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Date: Sat, 13 Mar 1999 12:23:59 -0500
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Organization: IBM Global Services - Remote Access Mail & News Services
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Reply-To: brian87@ibm.net
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Xref: paladin.american.edu bit.listserv.calc-ti:28400
I am writing a large program for my TI-85 in TI BASIC and as one of the
subroutines, I need to find the roots of a function. I know I can use
the poly and solver, but they can be really ineffective. What I need it
to do, is for example,
the program would have a function like y1=x^2-9 with the bounds from -10
to 10 and I would need the calculator to tell me that the roots are -3
and 3, store these into 2 variables and then go on with the subroutine.
The function could be anything from cos x to 34x^2-x^6....any help would
be great
Brian
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