19990401
u
To calculate the focus, vertex and latus rectum
[G-SLV]
-
[Focus]/[Vertex]/[Length]
Example
To determine the focus, vertex and latus rectum for the parabola
X = (Y – 2)
2
+ 3
Use the following V-Window settings.
Xmin = –1,
Xmax = 10, Xscale = 1
Ymin = –5,
Ymax = 5,
Yscale = 1
4
(G-SLV)
b
(Focus)
(Calculates the focus.)
i
4
(G-SLV)
d
(Vertex)
(Calculates the vertex.)
i
4
(G-SLV)
f
(Length)
(Calculates the latus rectum.)
• When calculating two foci for an ellipse or hyperbolic graph, press
e
to calculate the
second focus. Pressing
d
returns to the first focus.
• When calculating two vertexes for an ellipse or hyperbolic graph, press
e
to calculate
the second vertex. Pressing
d
returns to the first vertex.
5-11-18
Function Analysis
Summary of Contents for ALGEBRA FX 2.0
Page 1: ... ALGEBRA FX 2 0 User s Guide ...
Page 19: ...19990401 ALGEBRA FX 2 0 ...
Page 26: ...19990401 1 1 Keys 1 1 1 Keys REPLAY COPY PASTE CAT CAL H COPY PRGM List Mat i ...
Page 122: ...19990401 ...
Page 280: ...19990401 ...
Page 310: ...19990401 ...
Page 358: ...19990401 8 8 2 Program Library egcw w ww w ...
Page 360: ...19990401 8 8 4 Program Library Example 1 Example 2 fw baw bf w fw baw ca w ...
Page 362: ...19990401 8 8 6 Program Library ...
Page 364: ...19990401 8 8 8 Program Library dw fcde wfcde wfcde fcde w daw w ...
Page 366: ...19990401 8 8 10 Program Library b awaw bwaw aw9d w ...
Page 423: ...19981001 MEMO ...
Page 424: ...19981001 MEMO ...
Page 425: ...19981001 MEMO ...