HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 515

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Creating your own functions
You can create your own function by writing a program (see chapter 5) or by using the simpler DEFINE
functionality. Functions you create yourself appear on the User menu (one of the Toolbox menus).
Suppose you wanted to create the function SINCOS(A,B)=SIN(A)+COS(B)+C.
1.
Press (Dene).
2.
In the Name eld, enter a name for the function—for example, SINCOS—and tap .
3.
In the Function eld, enter the function. A B
C
New elds appear below your function, one for each variable used in dening it. You need to decide
which ones are to be input arguments for your functions and which ones are global variables whose
values are not input within the function. In this example, we’ll make A and B input variables, so our new
function takes two arguments. The value of C will be provided by global variable C (which by default is
zero).
Creating your own functions 467
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