HP 48gII Graphing Calculator Manual do Utilizador descarregar pdf (Página 282)

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Page 9-7

The following screen shots show the RPN stack before and after applying

function ARRY:

In RPN mode, the function [

→ARRY] takes the objects from stack levels n+1, n,

n-1, …, down to stack levels 3 and 2, and converts them into a vector of n

elements. The object originally at stack level n+1 becomes the first element,

the object originally at level n becomes the second element, and so on.

Note: Function ARRY is also available in the PRG/TYPE menu („°)

Identifying, extracting, and inserting vector elements

If you store a vector into a variable name, say A, you can identify elements of

the vector by using A(i), where i is an integer number less than or equal to the

vector size. For example, create the following array and store it in variable

A: [-1, -2, -3, -4, -5]:

To recall

the third element of A, for example, you could type in A(3) into the

calculator. In ALG mode, simply type A(3). In RPN mode, type ‘A(3)’

`µ.

You can operate with elements of the array

by writing and evaluating

algebraic expressions such as:

1 2 ... 277 278 279 280 281 282 283 284 285 286 287 ... 863 864

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HP 48gII Graphing Calculator Manual do Utilizador Página 282

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