Texas Instruments TI-5630 Using Decimals (DECIMAL Switch), Rounding (ROUND Switch), Entering a Tax Rate (TAX Switch)

3
ENG5630.DOC TI-5630 Guidebook, UK English Texas
Instruments Inc Revised: 06/23/00 1:04 PM Printed: 06/23/00
1:05 PM Page 3 of 8
!
Adds the stored tax rate to the value in the display.
"
Subtracts the stored tax rate from the value in the display.
/
Pressed once, displays and prints the grand total of all
totals. Pressed twice, clears the grand total. This is active
only if PRINTER = GT.
:
Displays and prints the total, but does not clear the total.
E
Displays and prints the total and clears the total. If
PRINTER = IC, also resets the item counter (
IC
) to zero.
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.
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).
9 Results are rounded up (if
DECIMAL = 1
, 2.33 rounds to 2.4).
Entering a Tax Rate (TAX Switch)
SET
Lets you enter a tax rate to perform tax calculations.
CALC
Stores the tax rate.