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Sharp el 9900g Manual

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Chapter 1: Getting Started
1 Display screen:
Displays up to 132 pixels wide by 64 pixels tall of graphs and texts.
2 Power ON/OFF key:
Tur ns 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 purple.
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.
,: Displays the substitution feature.
": Displays both a graph and a table at the same time.
y: Opens the table setup screen.
d:Draws items on the graph. Use this key also to save or recall the
graph/pixel data.
f: Sets the operations of the graph screen.
k: Calculates specific values based on formulas programmed in
Y
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