Texas Instruments TI-5640 - Manual (Page 4)

3
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 3 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 3 of 8
0 Displays and prints the value in memory and clears the memory.
Also clears
M from the display and resets the memory item count
to zero.
; Displays and prints the subtotal in memory but does not clear
the memory.
F Subtracts the displayed value from memory. If a multiplication or
division operation is pending,
F completes it and subtracts the
result from memory.
N Adds the displayed value to memory. If a multiplication or
division operation is pending,
N completes it and adds the
result to memory.
Using Decimals (DECIMAL Switch)
+ Lets you add and subtract numbers without entering the decimal
point (key in 5321 to enter 53.21).
F The number of decimal places varies based on the result.
0,2,3,4,6 Sets the number of decimal places to 0, 2, 3, 4, or 6.
Printing (PRINTER Switch)
Positive entries and results are printed in black; negative entries and results
are printed in red.
OFF Calculations are displayed but not printed.
ON Calculations are displayed and printed.
IC Both the printer and item counter are active. To clear the item
counter, press
Q or 0 .
GT Accumulates a running grand total of all calculations you perform
until you clear the grand total. To print a grand total, press
/ .
To clear the grand total, press / again.
Rounding (ROUND Switch)
( Results are rounded down (if DECIMAL = 1 , 2.33 rounds to 2.3).
5/4 Results are rounded up or down, depending on the value and
decimal setting (if
DECIMAL = 2 , 2.349 rounds to 2.35).
' Results are rounded up (if DECIMAL = 1 , 2.33 rounds to 2.4).