Casio GRAPH 25+ Pro, GRAPH 35+, GRAPH 75, GRAPH 85, GRAPH 85SD, GRAPH 95 Uživatelský manuál Strana 399

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5. Press 6(DRAW).
This draws a quadratic regression graph and overlays it over the original graph.
To delete the overlaid quadratic regression graph, press !4(SKTCH) and then
1(Cls).
k Overlaying a Y=f(x) Graph on a Sampled Result Graph
Use the following procedure when you want to overlay a Y=f(x) graph on the sampled result
graph.
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To overlay a Y=f(x) graph on an existing graph
1. On the graph screen, press K, and then 5(Y=fx).
This displays the graph function list. Any functions you have previously input on the
graph function list appear at this time.
11-9
Graph Analysis Tool Graph Screen Operations
2. Input the function you want to graph.
To input a function, use the f and c cursor keys to move the highlighting to the line
where you want to input it, and then use the calculator keys for input. Press w to store
the function.
3. On the graph function list, specify which functions you want to graph.
Graphing is turned on for any function whose “=” symbol is highlighted. To toggle
graphing of a function on or off, use the f and c cursor keys to move the highlighting
to the function, and then press 1(SEL).
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