HP 35s

Solving and Integrating Programs 15-5
Keys:
(In RPN mode)
Display: Description:
L

Stores previous pressure.
 H

Selects program “H.”
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.
 


Calculates new T.




Stores 287.1 in T; solves for new P.
L

Calculates pressure change of the
gas when temperature drops from
297.1 K to 287.1 K (negative result
indicates drop in pressure).