TI-83 Tutorial for Business Calculus
and
then hold down the 
. If you look
in the upper right corner of the screen you should see numbers increasing. If the number
appearing is a 7 or 8 and your screen is still light, your batteries need to be replaced.
and hold down
the 
. If you look in the upper right
corner of the screen you should see numbers decreasing.
to obtain the following menu.
Changes can be made by putting the cursor next to the item you want changed, type in the
new values, and then press 
.
The value for x-min must be smaller than the value of x-max. The same
is true for y-min and y-max.
and selecting 6:ZSandard. The dimensions of this
viewing window are [x-min,x-max]X[y-min,y-max]=[-10,10]X[-10,10].
.
. You should see the program deleted from the list of programs. Repeat this step if more programs need to be deleted.
.
and put the cursor next to the program you want to delete. To delete the program press 
. The question "Are you sure?" is displayed on the screen. To delete the program
choose 2:yes. The calculator will return you to the program screen and the program should be deleted.
Repeat this process for each program you wish to delete.
and choosing
4:ClrList. This will take you back to the home screen.
.
Your screen should like the following.
If it does then press and the calculator should respond
with Done.
then select 1:Edit...
to
access the scatterplot
menu. Select 1:Plot 1...
Make the screen look like the folllowing
and adjust your window so all data points can be
seen on the screen.
. If a previous function is displayed, put the
cursor on the function and press 
.
and input the function.
and choose
4:maximum.
or 
to move the cursor to the left of the maximum (peak) and press ,
should appear at the top of the screen marking the left bound.
to move the cursor to the right of the maximum (peak) and press
. The top of the screen should now have
. These two arrows must be facing each other.
to move the cursor close to the maximum and press
. The maximum point is displayed at the bottom of the
screen.
and input the function.
and choose
3:minimum.
or
to move the cursor to the left of the minimum (valley) and press ,
should appear at the top of the screen marking the left bound.
to move the cursor to the right of the minimum (valley) and press
.
The top of the screen should now have
. These two arrows must be facing
each other. to move the cursor close to the minimum and press
. The minimum point is displayed at the bottom of the
screen.
and move the cursor so it is blinking on "Dot".
Press to highlight "Dot".
. Next to Y1= enter the first piece of
the function by pressing.
choose 5: < continue by pressing
. Your screen should like the graph below.
and enter the function..You may
need to adjust your window to see the graph. to access the calculate menu.
or
to move the cursor to the left of the point where the graph crosses the x-axis and press ,
should appear at the top of the screen marking the left bound.
to move the cursor to the right of the point where the graph crosses the x-axis and press
.
The top of the screen should now have
. These two arrows must be facing
each other. to move the cursor close to the point where the graph crosses the x-axis and press
. The x-intercept (a.k.a. root or zero), is displayed at the bottom of the
screen.
and enter the functions..You may
need to adjust your window to see the graph. to access the calculate menu.
and the blinking cursor will jump to another graph. When the blinking cursor is on one of the two graphs you want to find the intersection of, press . and the blinking cursor will jump to another graph. When the blinking cursor is on the second of the two graphs you want to find the intersectin of, press . or to move the cursor close to the point of interesection and press
. The point of intersection is displayed at the bottom of the
screen.
and enter a function. and a table is displayed. To scroll up or down the table put the cursor in the "X" column and press
or .
. The following screen is displayed.
to display the table.
to access the catalog.
. This will take you to the home screen.
and the calculator will respond with done.
and clear all functions.
and to access the CALC menu. Select the number that corresponds with the type of regression needed.
and to Y-VARS.
. The regression information, along with the R2 value, will appear on the screen.
and the regression equation appears in Y1.
to see the data points and regression model displayed. You may
need to adjust your window to see the graph.
, then select 1:TVM Solver. If you have a TI_83 plus, press 
, select 1:Finance, then 1:TVM Solver. The TVM solver screen and the definitions of each variable are shown below.
. The answer will appear in the location of the cursor.
and enter the function..You may
need to adjust your window to see the graph. to access the calculate menu.. The derivative for the specified x value will appear at the bottom of the screen.
and choose 8: nDeriv(.
.
.
The answer is displayed on the home screen.
and enter the function..You may
need to adjust your window to see the graph. 
to access the draw menu. . The tangent line will be drawn and the equation of the tangent line is displayed at the bottom of the screen.
and enter the function you want to integrate..You may
need to adjust your window to see the graph. to access the calculate menu..gif)
..
.
and choose 9: fnInt(.
.
. The answer to the definite integral is displayed
on the screen.