Hp Prime Graphing Wireless Calculator Manual do Utilizador descarregar pdf (Página 301)

Programming in HP PPL 297

ISKEYDOWN Syntax: ISKEYDOWN(key_id);

Returns true (non-zero) if the key whose key_id is provided

is currently pressed, and false (0) if it is not.

MOUSE Syntax: MOUSE[(index)]

Returns two lists describing the current location of each

potential pointer (or empty lists if the pointers are not

used). The output is {x , y, original z, original y, type}

where type is 0 (for new), 1 (for completed), 2 (for drag),

3 (for stretch), 4 (for rotate), and 5 (for long click).

The optional parameter index is the nth element that

would have been returned—x, y, original x, etc.—had the

parameter been omitted (or –1 if no pointer activity had

occurred).

MSGBOX Syntax: MSGBOX(expression or string [ ,ok_cancel?]);

Displays a message box with the value of the given

expression or string.

If ok_cancel? is true, displays the and

buttons, otherwise only displays the button. Default

value for ok_cancel is false.

Returns true (non-zero) if the user taps , false (0) if

the user presses .

EXPORT AREACALC()

BEGIN

LOCAL radius;

INPUT(radius, "Radius of Circle","r =

","Enter radius",1);

MSGBOX("The area is " +π*radius^2);

END;

If the user enters 10 for

the radius, the message

box shows this:

1 2 ... 296 297 298 299 300 301 302 303 304 305 306 ... 333 334

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Hp Prime Graphing Wireless Calculator Manual do Utilizador Página 301