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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=

F5

{{EVAL}}

I FUNCTION fVHEOLIC MIEH

-'FKX>=fl»X

-'2

>^F2(X>=B

F4=

F5=

■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