Sharp el-9950 Manual page 13

Equation editor scientific
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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:
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 orange.
A:
Changes the cursor to "A", and the next keystroke enters the
alphabetical letter printed above each key in green.
Press @ . to lock the specific keys in the alphabet
Note:
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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