94 Section 8: Program Branching and Controls
Recall multiplication with the
contents of R
1
(N
0
), yielding N
t
,
the mci of
131
I remaining after t
days
Recalls limit value to X-register.
x y ? Tests whether limit value
(in X) meets or exceeds N
t
(in Y).
If not, program continues.

to find a new N
t
from a new t.
Notice that without lines 012 to 014, the loop would run indefinitely (until
stopped from the keyboard).
Let's run the program, using t
1
= 2 days, N
0
= 100 mci, and a limit value of
half of N
0
(50 mci).
Run mode (display will vary).