HP 48gII Manual do Utilizador descarregar pdf (Página 67)

Page 3-14

These operations produce the following output:

Unit conversions

The UNITS menu contains a TOOLS sub-menu, which provides the following

functions:

CONVERT(x,y): convert unit object x to units of object y

UBASE(x): convert unit object x to SI units

UVAL(x): extract the value from unit object x

UFACT(x,y): factors a unit x from unit object x

UNIT(x,y): combines value of x with units of y

Examples of function CONVERT are shown below. Examples of the other

UNIT/TOOLS functions are available in Chapter 3 of the calculator’s user's

guide.

For example, to convert 33 watts to btu’s use either of the following entries:

CONVERT(33_W,1_hp) `

CONVERT(33_W,11_hp) `

Physical constants in the calculator

The calculator’s physical constants are contained in a constants library

activated with the command CONLIB. To launch this command you could

simply type it in the stack:

~~conlib~`

, or, you can select

the command CONLIB from the command catalog, as follows: First, launch

the catalog by using:

‚N~c

. Next, use the up and down arrow

keys

—˜

to select CONLIB. Finally, press the

(@@OK@@) soft menu key.

Press

, if needed. Use the up and down arrow keys (

—˜

) to navigate

through the list of constants in your calculator.

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 174 175

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HP 48gII Manual do Utilizador Página 67