HP 33s User Manual page 215

º Ô
Å
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)
e
L
º s
H
Û
P
¥
¥
¥
Ï Ã
10
¥
h Ã
L
 

Display:
















Solving and Integrating Programs
Ends the program.
Cancels Program–entry mode.
Description:
Stores previous pressure.
Selects program "H."
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 .
Calculates new T .
Stores 287.1 in T ; solves for new
P .
Calculates pressure change of the
gas when temperature drops from
297.1 K to 287.1 K (negative
result indicates drop in pressure).
14–5