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304
Interchangeable Software
The chart below illustrates the keysthat are different yet interchange-
able between the HP-67 and the HP-97.
.
When
When
Operation on:
encountered
encountered
as an instruction
as an instruction
HP-67
HP-97
by the HP-67:
by the HP-97:
=
Causes program
Prints current con-
execution to pause
tents of X-register.
for about 5 seconds,
displaying current
contents of X-
register with decimal
point blinking eight
times.
PRINT:
Displays current
Prints current con-
contents of each
tents of stack
stack register
registers.
sequentially; T, Z, Y,
and X, with decimal
point blinking twice
for each stack
register.
PRINT:
Displays contents of
Prints contents of all
each primary stor-
primary storage
age register, begin-
registers; R, through
ning with registers
R, Ra through R, 1.
R, through Rg, then
Ra through Rg, and
finally I. Each dis-
play is preceded by a
displayed number
indicating the
register's address.
PRINT:
Performs no
Prints a blank space
operation.
on paper tape.
Naturally, all other keys perform exactly the same function on the
HP-67 as on the HP-97.
Notice that the
function on the HP-67 Programmable Pocket
Calculator performs no operation on that calculator. It is used only
in programs which may be recorded onto magnetic cards and later
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