Hp 48G Instrukcja Użytkownika Pobierz pdf (Strona 54)

The variables in the current directory are conveniently available to be

used in calculations and expressions. Pressing the fVAR) key brings up

a menu of the variables in the current directory. As with all menus,

the flMXT) and &) keys allow you move through the variables

one “page'’ at a time—forwards and backwards, respectively.

Exaiuple: Store the width and length of a 3-by-5 rectangle in IF and

L, then use those values to find the area.

Lesson 16: Using Variables in Calculations

Step 1: Enter and store the width and length. (Notice that (STO) can

be used to store an object in a variable without using the

Variable Browser.) Press (VAR) when you’ve finished to bring

up the menu of variables in the current directory.

3 (ENTER 1 (3) ©L fSTO)

5 (ENTER n @W (STO"|

(VAR)

Step 2: Recall the two values to the stack using their variable names.

Step S: Multiply to find the area.

4-10 Understanding and Using Memory

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 115 116

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Hp 48G Instrukcja Użytkownika Strona 54