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directrix defines a conic section (plural: foci). TI83 Plus Conic Graphing Page 46 Term Definition Hyperbola A plane curve generated by a point so moving that the
difference of the distances from two fixed points is a
constant. Major axis The axis passing through the foci of an ellipse. Minor axis The chord of an ellipse passing through the center and
perpendicular to the major axis. Parabola A plane curve generated by a point moving so that its
distance from a fixed point is equal to its distance from a
fixed line (directrix). Semimajor
axis One half of the major axis of an ellipse (as that formed by
the orbit of a planet). Semiminor
axis One half of the minor axis of an ellipse (as that formed by
the orbit of a planet). Slope The tangent of the angle made by a straight line with the
xaxis. Vertex A point where an axis of a circle, ellipse, parabola, or
hyperbola intersects the curve itself. TI83 Plus Conic Graphing Page 47 Deleting Conic Graphing from the TI83 Plus
To delete the application from your calculator: 1. From the home screen, press \ ÅMEMÆ to display the
MEMORY menu.
2. Select Mem Mgmt/Del. 3. Use h or ` to select Apps. 4. Use h or ` to highlight the application you want to delete
with the cursor.
5. Press ^. 6. Select Yes. TI83 Plus Conic Graphing Page 48 Error Recovery Instructions
Conic Graphing Application Errors
If the curve does not display or a partial curve displays after you
press V, the parameters you entered may be outside of the
acceptable range for the calculator.
All Equations
If this error occurs or if you
receive this error message… Make this change: The curve does not display
correctly, or a partial curve
displays. The parameters you entered may
be outside of the acceptable range
for the calculator.
If you changed the CONIC
SETTINGS window settings mode
to MAN, press T and select
Zoom Conic to redefine the
window settings. Window range error or zoom error Change the window parameters
(Xmin, Xmax, Ymin, Ymax) so
that the window is larger or
smaller, depending on the graph. Invalid input Change the input to a valid value. TI83 Plus Conic Graphing Page 49 If this error occurs or if you
receive this error message… Make this change: Requested zoom has invalid
results Change the window parameters
(Xmin, Xmax, Ymin, Ymax) or
Xfact and Yfact zoom factors. You
must exit Conic Graphing to
change the Xfact and Yfact zoom
factors. Invalid AppVar CONICSD. Please
remove. The application variable (AppVar)
named CONICSD has been
corrupted, or another application
variable uses the same name.
Delete the AppVar, or use TIGRAPH LINK to remove it and
save it on your computer. Error saving Conics settings The AppVar CONICSD cannot be
modified.
Delete the AppVar, or use TIGRAPH LINK to remove it and
save it on your computer. TI83 Plus Conic Graphing Page 50 Parabolas
If you receive this error
message… Allowed parameter values: A e 0
Allowed parameter values: p e 0 Make this change:
Change the parameter so that A <
0 or A > 0.
Change the parameter so that p <
0 or...
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This document was uploaded on 12/31/2013.
 Fall '13

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