HP 50g Quick Start Manual page 29

Figure 59
68. As you work with the CAS, it will automatically prompt you to change settings as needed. Sometimes a setting is active that can
cause problems with later calculations. To return the CAS to its default state, press
DOWN cursor. With CASCFG selected (see Figure 61), press ENTER. This command resets the CAS to its default settings. Note how
the header annunciator has changed from complex, C=, back to real, R=.
69. Now, let's solve for X. To begin, press ENTER to make a copy of your
ENTER. Using 'X' instead of just X ensures that it remains a variable, and the calculator will not find and recall a number stored into
X (see Figure 62). Press
Press to delete the result. For more information, see Chapter 5 of the HP 50g Graphing Calculator User's Manual or Chapter
\
5 of the HP 50g Graphing Calculator User's Guide.
to locate the SOLVE menu key and press it. The result, { X=
L
Figure 62
Figure 60
@
2
. Press
³
x 9
–
Figure 63
Figure 61
followed by SYMB (CAT)
]
followed by (x key) and press
x
-
3 X= 3 }, is returned (see Figure 63).
Getting Started
F3(C)
23