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this is a video from every step calculus dot com
demonstrating how my programs work on a TI 89 titanium calculator
and other calculators and TI system
for physics and calculus
problems and let's get started to enter my
menu you have to press second alpha I ndex in here Press alpha
put an 8 open/close parenthesis press enter in your and my menu
scroll up
we get closer they're all alphabetical my menu
and I'm gonna go up to the quadratic formula press ENTER I give you a
definition of it
how it works you write this on in your paper right away
and we enter our variables
you have to press alpha before you enter any thing in these entry lines
here
I'll go alpha
minus 17
and alpha
six
and alpha 7
I show you what you've entered you can change it if you made a mistake
on all my programs I do that
I say it's okay quickly answer
here's a variable's entered into the formula
which you wrote in your paper before and here's the
answers exact answer approximate exact answer and
approximate for X pretty neat.. Every step calculus dot com go to my site by
my programs and pass calculus