HP 48gII Graphing Calculator Manual de usuario descargar pdf (Pagina 90)

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This indicates that the general expression for a derivative in the line editor or

in the stack is: ∫(lower_limit, upper_limit,integrand,variable_of_integration)

Press ` to return to the Equation Writer. The resulting screen is not the

definite integral we entered, however, but its symbolic value, namely,

To recover the derivative expression use ‚¯. To evaluate the derivative

again, you can use the D soft menu key. This shows again that

)cos()sin()sin(

τττ

⋅−=⋅⋅

∫

dttt

Double integrals are also possible. For example,

which evaluates to 36. Partial evaluation is possible, for example:

This integral evaluates to 36.

Organizing data in the calculator

You can organize data in your calculator by storing variables in a directory

tree. To understand the calculator’s memory, we first take a look at the file

directory. Press the keystroke combination „¡ (first key in second row

of keys from the top of the keyboard) to get the calculator’s File Manager

screen:

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 863 864

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HP 48gII Graphing Calculator Manual de usuario Pagina 90

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