Hp 49g Graphing Calculator Manuale Utente Scaricare il pdf (Pagina 195)

1. On the command line, position the cursor immediately to the right of

the opening « symbol.

2. Press ©0 to insert the —> symbol.

3. Enter a local variable name for each input argmnent your program

uses, separating each with a @.

For example, if your program uses two arguments, and you want to set the

value of these arguments to local variables A and B, the beginning of your

program would appear as follows:

Setting local variables to hold input arguments

« ^ A B

Setting a local variable to a value

After the value, press 00 to insert the a symbol, and enter the local

variable name.

For example, to set local variable G to hold 9.81, the acceleration of

gravity, you create the variable as follows:

©@9.8100(H)G

« 9.81 ^ G »

The following example:

• accepts an input argument

• creates the local variable G

• multiplies it by the argument, and places the result on the history.

« ^ A

« 9.81 G

« A*G »

In the following example, the A*G calculation does not recognize the

local variable G as 9.81, as it is outside the nested procedure where the

variable was declared. The A+G calculation recognizes G as 9.81

« -A A

« 9.81 -A G 'A+G' »

A*G

Introduction to programming Page 10-9

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Hp 49g Graphing Calculator Manuale Utente Pagina 195