HP 33S - Page 215

Solving and Integrating Programs
14–5
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
º Ô
 
Ends the program.
Å

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:
e
L

Stores previous pressure.
º s
H

Selects program “H.”
Û
P


Selects variable P; prompts for V.
¥


Retains 2 in V; prompts for N.
¥


Retains .005 in N; prompts for R.
¥


Retains .0821 in R; prompts for T.
Ï
10
Ã


Calculates new T.
¥



Stores 287.1 in T; solves for new
P.
h
L
Ã

Calculates pressure chan
g
e of the
g
as when temperature drops from
297.1 K to 287.1 K (negative
result indicates drop in pressure).