Sharp el-9950

12
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.
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specicvaluesbasedonformulasprogrammedin
Y
.