HP HP-28S User Manual

• FOR ... STEP and FOR ... NEXT (definite loops). SORT uses two
counters: - 1 STEP decrements the counter for the outer loop each
iteration; NEXT increments the counter for the inner loop by 1 each
iteration.
Program
-=:::
DUP SIZE 1
-
1
FO~:
.j
.j
FO~:
k
k
GETI
-t
n1
'$:
GETI
-t
n2
. ;:;:
DPOP
IF n1 n2
>
THEt·j
k n2 PUTI
n1
PUT
Et·m
::;:.
:~:.
t·jE::<T
-1
STEP
:~:.
I ENTER I
~
SORT
I STO I
Comments
Begin the program.
From
the next-to-last position to
the first position,
Begin
the outer loop with counter
J.
From the first position to the jth
position,
Begin the inner loop with counter
k.
Get the kth number in the list
and store it in a local variable n
j
.
Begin outer defining program.
Get the next number in the list
and store it in a local variable n2.
Begin inner defining program .
Drop the counter.
If the two numbers are in the
wrong order,
Then do the following:
Put the second one back in the
kth position.
Put the kth one back in the next
position.
End of THEN clause.
End inner defining program.
End outer defining program.
Increment k and repeat the inner
loop.
Decrement j and repeat the outer
loop.
End the program.
Put the program on the stack.
Store
the program as SORT.
28: Programming Examples 271

HP HP-28S Specifications

General

Brand	HP
Model	HP-28S
Category	Calculator
Language	English