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ENG5640.DOC TI-5640 Guidebook, English for Americas Texas
Instruments Inc Revised: 05/23/00 4:43 PM Printed: 06/22/00
5:31 PM Page 2 of 8
ENG5640.DOC TI-5640 Guidebook, English for Americas Texas
Instruments Inc Revised: 05/23/00 4:43 PM Printed: 06/22/00
5:31 PM Page 2 of 8
5. Lower the new ribbon (
red side on the bottom
) into the compartment and
press down until it snaps into place.
6. Place the ribbon around the guides and along the paint drum as shown
here.
7. Replace the printer compartment cover.
Key Descriptions
&
Advances the paper.
2
Clears the entire pending operation except the memory or the
grand total.
O
Changes the sign (
+
or
–
) of the displayed number.
>
Interprets the number in the display as a percentage.
I
Clears an entry or an error or overflow.
=
Computes the percentage of change between two values. (The
price increase from 9.75 to 11.25 is 1.50 and the percentage
increase is 15.38%)
#
Calculates the selling price and profit or loss amount on an item.
(
Removes the last digit entered in the display.
4
Prints a reference number or date without affecting calculations.
/
Pressed once, displays and prints the grand total of all totals.
Pressed twice, clears the grand total. This is active only if
PRINTER
=
GT
.
R
Displays and prints the total, but does not clear the total.
Q
Displays and prints the total and clears the total. Also resets the
item counter (
IC
) to zero.