Chapter 5: working with expressions 5-1 – HP 49g Graphing Calculator User Manual

Page 7

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Zooming ............................................................................................................................... 4-36

To zoom in .................................................................................................................... 4-36
To zoom out..................................................................................................................4-36

Zoom options............................................................................................................... 4-36

Analyzing functions .............................................................................................................4-37

Finding roots ................................................................................................................ 4-38
Finding extrema ...........................................................................................................4-38

Finding slopes ..............................................................................................................4-38
Finding areas ................................................................................................................4-39
Finding intersections....................................................................................................4-39

Tables.................................................................................................................................... 4-40

Customizing table values ............................................................................................4-40

Special plotting and table variables ................................................................................. 4-41

EQ ...................................................................................................................................4-41

EDAT.............................................................................................................................. 4-41
PPAR.............................................................................................................................. 4-41
VPAR.............................................................................................................................. 4-42

EPAR...............................................................................................................................4-42
ZPAR...............................................................................................................................4-42

TPAR...............................................................................................................................4-42

Chapter 5: Working with expressions

5-1

Configuring the CAS............................................................................................................. 5-2

Numeric option ............................................................................................................. 5-3

Approx option ................................................................................................................5-3

Other options..................................................................................................................5-4

Using the computer algebra system.................................................................................. 5-5

Working from the command line ...............................................................................5-7
Working in Equation Writer.......................................................................................... 5-9

Performing substitutions ....................................................................................................5-10
Expanding and factorizing................................................................................................. 5-11

Expanding expressions ............................................................................................... 5-11
Factorizing expressions ............................................................................................... 5-13
Exponential and trigonometric expressions ............................................................ 5-14

Calculus commands ............................................................................................................5-17