HP -10C Owner's Handbook Manual page 75

Keystrokes
"
'
l1
*
´©
4
O+0
t02
Now we can run the program. It will pause at the beginning and end of each
loop to display each t and N
indefinitely—until we stop it. (You can run the program one step at a time—
using —if you want to follow the execution of the loop.)
Keystrokes
¥
´CLEARQ
´•3
100O1
4
¦
Section 6: Branching and Looping
Display
09- 16
10- 12
11- 45 1
12- 20
13- 42 31
14- 4
15-44 40 0
16- 22 02
value. Program execution will continue
t
Display
0.0000
0.0000
0.000
100.000
4.
4.000
70.711
8.000
50.000
12.000
−kt.
−kt
e .
Recalls N , the initial
0
number of milliCuries,
from R .
1
N , the milliCuries of
t
remaining after t days.
Pauses to display N
Adds 4 days to t.
Transfers program
execution to line 02, so
the new t can be recalled
to display before
beginning new
calculations.
Sets calculator to Run
mode. (Display shown
assumes no results
remain from previous
calculations.)
Clears registers R
through R .
9
Sets display format to
three decimal places.
Stores N in R .
0 1
Keys in t.
t = 4 days.
N (milliCuries of
4
remaining after 4 days).
t = 8 days (the half-life
131
of I).
N .
8
t = 12 days.
73
131
I
.
t
0
131
I