HP 39gs - Manual (Page 3)

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Contents
Preface
Manual conventions .............................................................. P-1
Notice ................................................................................. P-2
1 Getting started
On/off, cancel operations......................................................1-1
The display ..........................................................................1-2
The keyboard .......................................................................1-3
Menus .................................................................................1-8
Input forms ...........................................................................1-9
Mode settings .....................................................................1-10
Setting a mode...............................................................1-11
Aplets (E-lessons).................................................................1-12
Aplet library ..................................................................1-16
Aplet views....................................................................1-16
Aplet view configuration..................................................1-18
Mathematical calculations ....................................................1-19
Using fractions....................................................................1-25
Complex numbers ...............................................................1-29
Catalogs and editors ...........................................................1-30
2 Aplets and their views
Aplet views ..........................................................................2-1
About the Symbolic view ...................................................2-1
Defining an expression (Symbolic view) ..............................2-1
Evaluating expressions ......................................................2-3
About the Plot view...........................................................2-5
Setting up the plot (Plot view setup).....................................2-5
Exploring the graph ..........................................................2-7
Other views for scaling and splitting the graph ..................2-13
About the numeric view...................................................2-16
Setting up the table (Numeric view setup) ..........................2-16
Exploring the table of numbers .........................................2-17
Building your own table of numbers..................................2-19
“Build Your Own” menu keys...........................................2-20
Example: plotting a circle ................................................2-20
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