HP HP-20S - Branching and Conditionals

(RCL] 2
(RCL] 1
(=]
R/S
(] (eL) 5
(sT0] 0
=)&)
=
(RCL] O
SIN
(] (RTN]
(=] (SHow]
(=] (PRGM]
12- 45
13- 33
14- 22 2
15- 65
16- 22 1
17- 74
18- 26
19- 61 415
20- 21 0
21- 33
22- 51 11
23- 65
24- 22 0
25- 23
26- 34
27- 61 26
7EE9
Divides result by...
Reorders precedence.
Recalls x,.
Xp — ...
Recalls x;. Closing pa-
renthesis not required
because = follows.
(x> — sin xp) —
(12 — sin x7))/
(xp — x9).
Stops.
Label 5 starts the
subroutine.
Stores the displayed
value in R,,.
Reorders priority.
Squares the displayed
value.
Subtracts.
Recalls contents of R,.
Calculates the sine.
Closing parenthesis re-
quired to evaluate x?> —
sin x.
Ends subroutine and
returns to line follow-
ing originating (XEQ].
Checksum (page 66).
Exits Program mode.
6: Programming 79