HP HP-67 - Page 293

Card Reader Operations 289
Press Display
Calculator prompts you
to insert a magnetic card.
Pass side 1 of the card through the card reader.
Display
Crd
Now pass side 2 of the magnetic card through the card reader.
Display
1.000000000 5
!
The calculator again displays the contents of the X-register to indicate
that all data in the calculator’s storage registers has been recorded
onto the card as well.
Now change the data in the calculator. Store 1.11 in R;, 2.22 in Ry,
5.55 in Rgs, 6.66 in Rgg, and 7.77 in Rg. Review the contents of all
the registers when you are through.
Press Display
i .
‘ All storage registers
cleared to zero.
5.55 S (555 |
6.66 6 } Data stored in
o secondary registers.
1.11 1 1.11
222
9
(222
7.77 & 7.77
Reviewing stack registers
shows you the data in the
o various registers. The
original X-register con-
o tents return to the display
when the review is
completed.