The following program will follow logistic growth through 15 censuses. The propgram asks for a population cpapcity, an initial population, and a growth rate for small populations. The census number is stored in L1, the population total is stored in L2.

   PROGRAM:SCURVE
   :Disp "CAPACITY"
   :Input C
   :Disp "RATE"
   :Input R
   :Disp "INITIAL"
   :Disp "VALUE"
   :Input A
   :0 -> L1(1)
   :A -> L2(1)
   :For(I,1,15,1)
   :I -> L1(I+1)
   :L2(I)+R*L2(I)*(1-L2(I)/C) -> L2(I+1)
   :End