Casio FX-7400GII User Manual download pdf (Page 468)

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101

Key Operation Description

K4(CALC)

Displays a menu that lets you transform a sample result graph to a

function using Fourier series expansion, and to perform regression

to determine the tendency of a graph. See “Using Fourier Series

Expansion to Transform a Waveform to a Function” on page 11-6, and

“Performing Regression” on page 11-8.

K5(Y=fx)

Displays the graph function list, which lets you select a Y=f(x) graph to

overlay on the sampled result graph. See “Overlaying a Y=f(x) Graph

on a Sampled Result Graph” on page 11-9.

K6(SPKR)

Starts an operation for outputting a specific range of a sound data

waveform graph from the speaker (EA-200 only). See “Outputting a

Specific Range of a Graph from the Speaker” on page 11-12.

k Scrolling the Graph Screen

Press the cursor keys while the graph screen is on the display scrolls the graph left, right, up,

or down.

Note

• The cursor keys perform different operations besides scrolling while a trace or graph

operation is in progress. To perform a graph screen scroll operation in this case, press

J to cancel the trace or graph operation, and then press the cursor keys.

11-2

Graph Analysis Tool Graph Screen Operations

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Casio FX-7400GII User Manual Page 468

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