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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 Manual.

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

CONVERT(33_W,1_hp)

CONVERT(33conlib~`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:, or, you can select

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

the catalog by using:

~. Next, use the up and down arrow

keys

 

to select CONLIB. Finally, press the

(

) soft menu key.

Press

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

) to navigate

 

￿

 

 

 

 

through—˜`the list of constants‚N~in your calculator.c

F@@OK@@—˜

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HP 49g @@Ok@@-˜, Physical constants in the calculator, Unit conversions, These operations produce the following output