this is a video from every step calculus
dot com
demonstrating how my programs work
on a t i eighty nine titanium calculator
and other calculators in the t i system
for physics and calculus problems
ok this video we're going to us my programs
like a quadratic formula worksheet
and let's get started
to
you have to press second alpha
to put the i n d e x in here
and then press alpha to put
the eight and the open and closed
parenthesis
and then press enter
and you are into my menu
I'm already at the quadratic formula
here but you can see the choices
ahh all up and down
ahh with the cursor to
pass calculus and do your homework
so were going to go down to the
quadratic formula
to make it work like a
quadratic formula worksheet
and I give you the definition
of the quadratic formula
you always write this formula down
first on your test or homework
and were going to enter the variables
you have to press alpha before
you enter anything into these
entry lines of my programs
we're going to go alpha
minus six sixteen and then were
going to due alpha maybe
eight and then were going to do
maybe minus six
ahh I always show you what you've
entered so you can change it
in case you made a mistake
I'm going to say it's ok here
now this told me that the variables
are wrong
because it makes the negative under
the discriminate so it becomes a non
real answer
so we have to change the variables
so let's go alpha minus sixteen
alpha eight
and alpha nine
and we're going to do the quick
answer here
shows you where you put the
variables into that formula you
marked down in your paper
the variables in there
and here's the answer
here's the exact answer
here's the approximate answer
exact and approximate
pretty neat huh
every step calculus dot com
go to my site
buy my programs
and pass calculus
