HP 35s Scientific Calculator - Manual (Page 239)

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).