TUTORIALS FOR THE TI-84 PLUS FAMILY
Using a Manual Fit Line
©2014 Texas Instruments Incorporated 2 education.ti.com
CL3701.5
Action Screens
Step 6: To access the manual-fit line, press STAT
and right arrow to access the CALC menu.
Select Manual-Fit Y=mX + b.
Step 7: The screen that you will see shows that
you need to select a location in the y= (equation
editor) to store the result of calculator of the
manual-fit line. Press ALPHA F4 (this is the
TRACE button) and you will see the selections.
Press ENTER to select Y1.
Step 8: Down arrow to Calculate and press ENTER
to calculate the manual-fit line.
Step 9: You will see a cursor in the center of the
screen. Use the arrows to move the cursor to a
location that you think will be on a trend line.
Step 10: Press ENTER to anchor the first point.
Continue to move the line using the arrows.
Step 11: When you have found a second point that
you think would be on the trend line, press ENTER.
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