Using Decimals (Decimal Switch); Rounding (Round Switch); Entering A Tax Rate (Tax Switch) - Texas Instruments TI-5630 Manual Book

!
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 (
0
Displays and prints the value in memory and clears the
memory. Also clears
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).
The number of decimal places varies based on the result.
F
Sets the number of decimal places to 0, 2, 3, 4, or 6.
0,2,3,4,6

Rounding (ROUND Switch)

: Results are rounded down (if
Results are rounded up or down, depending on the value
5/4
and decimal setting (if
Results are rounded up (if
9

Entering a Tax Rate (TAX Switch)

Lets you enter a tax rate to perform tax calculations.
SET
Stores the tax rate.
CALC
from the display and resets the
M
DECIMAL = 1
= , 2.349 rounds to 2.35).
DECIMAL 2
DECIMAL = 1
3
) to zero.
IC
, 2.33 rounds to 2.3).
, 2.33 rounds to 2.4).