This program was written by Walter Gray and is used here by permission.
This program is supplied without representation or warranty of any kind. The author and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.
This game is for two players. One player spins the cylinder. They then take turns pulling the trigger. A sixshot revolver is assumed.
Step 
Instructions 
Input Data/Units 
Keys 
Output Data/Units 
1 
Enter program 

2 
Input random number seed between 0 and 1 and initialize 
seed 
STO 0 f PRGM 

3 
Spin cylinder 

R/S 
0.00 
4 
Pull trigger 

R/S 

If you are not shot 


0.00  
If you are shot 


1.00  
5 
Repeat4 until display shows 1.00 


LINE KEYS 00 01 RCL 0 02 g pi 03 + 04 6 05 f y^{x} 06 g FRAC 07 STO 0 08 4 09 x 10 f INT 11 RCL 1 12 g x!=0 13 GTO 19 14 roll dn 15 1 16 + 17 STO 1 18 GTO 01 19 STO  1 20 + 21 7 22 f x=y 23 GTO 01 24 roll dn 25 STO 2 26 cl x 27 R/S displ 0 means you are still alive :) 28 1 29 STO  2 30 RCL 2 31 g x=0 32 GTO 36 33 f x=y 34 GTO 00 displ 1 means you lose :( 35 GTO 26 36 6 37 STO 2 38 GTO 26
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