HP 33s - Manual (Page 213)

Solving and Integrating Programs 14–3
R = The universal gas constant
(0.0821 liter–atm/mole–K or 8.314 J/mole–K).
T = Temperature (kelvins; K = °C + 273.1).
To begin, put the calculator in Program mode; if necessary, position the program
pointer to the top of program memory.
Keys:
(In ALG mode)
Display: Description:
{ e {
V  
! Sets Program mode.
Type in the program:
Program Lines:
(In ALG mode)
Description:
Identifies the programmed function.
"! Stores P .
"! # Stores V .
"! Stores N .
"! Stores R .
"! ! Stores T .
Pressure.
º # Pressure
× volume.
. Pressure
× volume –
Pressure × volume – Number of moles of gas.
º Pressure
× volume – Moles × gas constant.
º ! Pressure
× volume – Moles × gas constant × temp.
! Gets the result.
! Ends the program.
Checksum and length: EB2A 42
Press ‡ to cancel Program–entry mode.
Use program "G" to solve for the pressure of 0.005 moles of carbon dioxide in a
2–liter bottle at 24 °C.