Tribble Population Function

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In archiving some old files on CPM disks from way back, I came across this
note I wrote to a friend.  It describes a way to calculate the population
Tribbles using an HP calculator (I think I was using an HP-67 back then)

     Another  interesting  side  note:   I  have  discovered  the
"Tribble Population Function". Last night, I was watching my tape
of  "The  Trouble  with Tribbles" and I  heard  Spock  spout  off
another  one of his numbers (this time the population of tribbles
in the grain compartment),  so I decided to put him to the  test.
He said tribbles have an average litter of 10 and reproduce every
12  hours.  He  also said he assumed one tribble managed to  find
it's  way  into  the quadrotriticale 3 days ago  and  this  would
result in  a total population in the cargo hold of: 1,771,561. To
make a long story short, I should have known better than to doubt
Spock's figures, he was right!   Look at the program:

                    LBL A
                    STO 0
                    RCL 0

     Key  in the initial population (1 tribble) and keep  hitting
"A".  You  will see the population grow at 12 hour intervals.  On
the third day you will see:  1771561.
     Also, the first generation from one tribble is 11 (10 babies
and  the  one  parent).  Notice in the scene where Kirk  goes  to
sickbay  with a headache:  Kirk says McCoy has 11 tribbles in the
container.  This  happens  shortly  after Uhura  gave  McCoy  one
tribble in a rec room scene earlier!


It's nice to know Gene & crew actually ran the numbers to ensure the
dialogue would be correct.

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