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5
Chapter 1: Getting Started
1
Display screen:
Displays up to 96 pixels wide by 64 pixels tall of graphs and texts.
2
Power ON/OFF key:
Turns calculator ON. To turn off the calculator, press
@
, then
o
.
3
Key operation keys:
These keys are used to change the key functions.
@
:
Changes the cursor to “2”, and the next keystroke enters the
function or mode printed above each key in yellow.
A
:
Changes the cursor to “A”, and the next keystroke enters the
alphabetical letter printed above each key in blue.
Note:
Press
@
.
to lock the specific keys in the alphabet
entering mode. (ALPHA-LOCK)
4
Graphing keys:
These keys specify settings for the graphing-related mode.
Y
:
Opens the formula input screen for drawing graphs.
G
:
Draws a graph based on the formulas programmed in the
Y
window.
T
:
Opens a Table based on the formulas programmed in
Y
.
W
:
Sets the display ranges for the graph screen.
Z
:
Changes the display range of the graph screen.
U
:
Places the cursor pointer on the graph for tracing, and displays
the coordinates.
[
:
Sets the statistical plotting.
y
:
Opens the table setup screen.
f
:
Sets the operations of the graph screen.
k
:
Calculates specific values based on formulas programmed in
Y
5
Cursor keys:
Enables you to move the cursor (appears as _,
■
, etc. on the screen) in four
directions. Use these keys also to select items in the menu.
Содержание EL-9450
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