HP 33s User Manual
Page 215

Solving and Integrating Programs
14–5
|
!
Ends the program.
)
Cancels Program–entry mode.
Checksum and length of program: 36FF 21
Now calculate the change in pressure of the carbon dioxide if its temperature
drops by 10 °C from the previous example.
Keys:
(In RPN mode)
Display:
Description:
I
L
)
Stores previous pressure.
| W
H
)
Selects program “H.”
P
#@
)
Selects variable P; prompts for V.
g
@
)
Retains 2 in V; prompts for N.
g
@
)
Retains .005 in N; prompts for R.
g
!@
)
Retains .0821 in R; prompts for T.
10
!@
)
Calculates new T.
g
#
/
)
Stores 287.1 in T; solves for new
P
.
L
L
. )
Calculates pressure change of the
gas when temperature drops from
297.1 K to 287.1 K (negative
result indicates drop in pressure).