Casio ALGEBRA FX 2.0 PLUS Graphing Manual do Utilizador descarregar pdf (Página 95)

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)

+ 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.)

4(G-SLV)

d(Vertex)

(Calculates the vertex.)

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

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Casio ALGEBRA FX 2.0 PLUS Graphing Manual do Utilizador Página 95