Hp 50g Graphing Calculator Manual do Utilizador descarregar pdf (Página 685)

The result is the following message box:

Press @@@OK@@@ to cancel the message box.

You could use a message box for output from a program by using a tagged

output, converted to a string, as the output string for MSGBOX. To convert any

tagged result, or any algebraic or non-tagged value, to a string, use the

function →STR available at „°@)TYPE@ @

Using a message box for program output

The function @@@p@@@ , from the last example, can be modified to read:

« “Enter V, T and n: “ {“ :V: :T: :n: “ {2 0} V } INPUT

« V T n ‘(8.31451_J/(K*mol))*(n*T/V)‘ EVAL “p”

→TAG →STR MSGBOX »»

Store the program back into variable p by using „@@@p@@@. Run the program by

pressing @@@p@@@. Enter values of V = 0.01_m^3, T = 300_K, and n = 0.8_mol,

when prompted.

As in the earlier version of @@@p@@@, before pressing ` for input, the stack will

look like this:

The first program output is a message box containing the string:

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