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HP HP-16C User Manual

HP HP-16C
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Section
9:
Program
Branching
and
Controls
95
Nesting.
Subroutine
‘“nesting”’—the
execution
of
a
subroutine
within
a
subroutine—is
limited
to
a
nest
of
subroutine
returns
four
levels
deep
(not
counting
the
main
program
level).
If
you
attempt
to
call
a
subroutine
nested
more
than
four
levels
deep,
the
calculator
will
halt
and
display
Error5
when
it
encounters
the
at
the
fifth
level.
Note
that
there
is
no
limitation
(other
than
memory
size)
to
the
number
of
nonnested
subroutines
or
sets
of
nested
subroutines
that
you
may
use.
Program
Versus
Keyboard
Use
of
[GSB].
The
key
is
used
for
two
different
functions:
1)
to
execute
programs
from
the
keyboard,
and
2)
to
call
subroutines
within a
running
program.
Note
that
when
is
used
from
the
keyboard
to
execute
a
program,
it
does
not
establish
pending
subroutine
returns.
When
a
is
subsequently
encountered,
program
execution
halts
and
returns
to line
000—unless
there
were
intervening
programmed
instructions
(subroutine
calls).

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HP HP-16C Specifications

General IconGeneral
BrandHP
ModelHP-16C
CategoryDesktop
LanguageEnglish

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