Evaluating expressions – HP 38g Graphing Calculator User Manual
Page 69
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Evaluating Expressions
In Aplets
In the Symbolic view, a variable is a symbol only, and does
not represent one specific value.
If
a variable contains another variable in it, then {{EVAL}}
substitutes it as shown in this example.
In Function Symbolic view,
enter these three expressions.
Highlight F3.
FUNCTION SyHIDLIC MIEH
-^FKX>=R»X''2
F1C-OH-F2'
F4<X>=
F5<X) =
{{EVAL}}
I FUNCTION fVHEOLIC MIEH
-'FKX>=fl»X
-'2
>^F2(X>=B
F4<X>=
F5<X>=
■aata BBrnaiMMBiMgMiiaiiiiii lamw
In Home
You can also evaluate any expression in Home by entering it
into the edit line and pressing |
enter
|. For example, in Home
type
F3 (X) i ENTER I
to evaluate the above expression . This
will fully evaluate the expression, substituting any stored
values for A and B and X.
Plotting and Exploring Functions 3-5