HP Prime Graphing Wireless Calculator Manual do Utilizador descarregar pdf (Página 684)

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101

HVars

Gives access to user-dened home variables.

HVars returns a list of the names of all the dened home user variables.

HVars(n) returns the nth user-dened home variable.

HVars("name") returns the user-dened home variable with the given name.

HVars(n or "name", 2) returns the list of the parameters for that function if the variable is a user-

dened function; otherwise returns 0.

HVars(n):=value stores value in the nth home user variable.

HVars("name"):=value stores value in the home user variable called "name". If no such variable exists,

this creates it.

HVars(n or "name", 2):= {"Param1Name", ..., "ParamNName"} assumes that the

specied user variable contains a function and species what the parameters of that function are.

Notes

The Notes variable gives access to the notes saved in the calculator.

Notes returns a list of the names of all the notes in the calculator.

Notes(n) returns the contents of the nth note in the calculator (1 to NbNotes).

Notes("name") returns the contents of the note titled "name".

This command can also be used to dene, redene, or clear a note.

Notes(n):="string" sets the value of note n. If the string is empty, the note is deleted.

Notes("name"):="string" sets the value of note "name". If string is empty, the note is deleted. If there

is no note called "name", it is created with string as content.

Programs

The Programs variable gives access to the programs saved in the calculator.

Programs returns the list of the names of all the programs in the calculator.

Programs(n) returns the contents of the nth program in the calculator (1 to NbPrograms).

Programs(n):="string" sets the program source code for program n. If string is empty, the program is

deleted.

Programs("name") returns the source of program "name".

Programs("name"):="string" sets program "name" source code to string. If string is empty, the

program is deleted. If there is no program called "name", it is created.

TO

TO contains an integer that denes the number of milliseconds until the next calculator auto shuto. The

default is 5 minutes, or #493E0h (5*60*1000 milliseconds).

Valid ranges are from #1388h to #3FFFFFFFh.

636 Chapter 28 Programming in HP PPL

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