HP 50g Graphing Calculator - Manual (Page 812)

Page C-1
Appendix C
CAS settings
CAS stands for Computer Algebraic System. This is the mathematical core of
the calculator where the symbolic mathematical operations and functions are
programmed. The CAS offers a number of settings can be adjusted according
to the type of operation of interest. To see the optional CAS settings use the
following:
Θ Press the H button to activate the CALCULATOR MODES input form.
At the bottom of the display you will find the following soft menu key
options:
)@FLAGS Provides menus for manipulating calculator flags (*)
@CHOOS Lets the user chose options in the different fields in the form
)@@ CAS@@ Provides an input form to change CAS settings
)@@DISP@ Provides an input form to change display settings
!!CANCL Closes this input form and returns to normal display
@@@OK@@@@ Use this key to accept settings
Pressing the L key shows the remaining options in the CALCULATOR
MODES input form:
@RESET Allows the user to reset a highlighted option
!!CANCL Closes this input form and returns to normal display
@@@OK@@@@ Use this key to accept settings
(*) Flags are variables in the calculator, referred to by numbers, which can
be “set” and “unset” to change certain calculator operating options.