Hp 48g Graphing Calculator Bedienungsanleitung PDF herunterladen (Seite 62)

100

101

Current

path

You always have immediate keyboard access to the variables stored

in the current directory. Pressing the fVAl^ key brings up a menu

(the VAR menu) of the last six variables you stored into the current

directory. (Pressing (MD steps you through additional “pages” of

variables.) Since directory names are normally stored in variables,

they also appear in the VAR menu, with bars over the top-left corner

(“tabs”) of their menu labels to show that they are directories.

The HOME directory is the only directory that exists when the

calculator is turned on for the first time. You create other directories

as needed using the Variable Browser.

Where to Store Variables

When you evaluate a variable, the HP 48 searches the current

directory for the name of the variable. If the name isn’t there, the

HP 48 searches up the path until it finds the variable or searches the

HOME directory. Note that it will evaluate the first variable it finds

with the designated name, which may or may not be the one you

had in mind. This suggests several approaches to organizing your

variables:

B Put variables that you want to access from any directory into the

HOME directory.

H Put variables that you don’t want to be able to access from all

directories into a directory not on the current path.

a You can use duplicate variable names, as long as they are not in the

same directory.

5-4 Memory

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