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Contents i
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..........................................................................................1-9
Setting a mode ................................................................................1-11
Aplets (E–lessons)................................................................................1-11
Aplet library....................................................................................1-15
Aplet views .....................................................................................1-15
Aplet view configuration ................................................................1-17
Mathematical calculations....................................................................1-18
Using fractions......................................................................................1-24
Complex numbers.................................................................................1-27
Catalogs and editors .............................................................................1-28
Differences between the HP 38G and the HP 39G/40G.......................1-29
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 ..............................2-14
About the numeric view..................................................................2-16
Setting up the table (numeric view setup) ......................................2-17
Exploring the table of numbers.......................................................2-18
Building your own table of numbers ..............................................2-19
“Build Your Own” menu keys........................................................2-20
Example: plotting a circle...............................................................2-21