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15. [%+
] Percent key
Completes percent calculation when X or ÷ key is used.
16. [
÷] Division key
The Division key performs division, automatic constant division and
intermediate sequential operations. It establishes the next amount as a constant
divisor. The ÷ key also causes the calculator to divide when you depress the
=, %, M+, M-, X or ÷ key. Each divisor entry is retained as a constant (except M+
and M- entries) until you depress the X, ÷ or CE/C key.
17. [=] Equal key
To get the result in multiplication or division.
18. [X] Multiplication key
The multiplication key performs multiplication, automatic constant multiplication
and intermediate sequential operations. It establishes the amount entered or the
previous printed or printed/displayed amount as a constant multiplicand. The X
key also causes the calculator to multiply when you depress the =, %, M+, M-, X
or ÷ key. Each multiplicand entry is retained as a constant (except M+ and M-
entries) until you depress the X, ÷, or CE/C key.
19. [+/-] Sign Change key
Reverse the sign on the display.
20. [Δ%] Delta Percentage
Automatically compares any two amounts and then calculates and prints the
difference and percent of change.
21. [CE/C] Clear Entry / Clear key
Clears a live entry by pressing this key once. Press twice to clear the
accumulator or pending calculation. Does not clear the Memory or Grand total.
22. [0]-[9], [00] & [•] Numeric keys.
The calculator uses the conventional 10-key indexing keyboard, and include the
double zero key and decimal point key. Whole numbers are entered exactly as
they are written.
23. [–] Minus key
Subtracts an amount from the accumulator. To subtract the same amount more
than one time (repeat subtraction), enter that amount once and depress the –
key as many times as necessary. If this key is depressed immediately after %
key, it works as percent minus key.
24. [+] Plus key
Adds an amount to the accumulator. To add the same amount more than one
time (repeat addition), enter that amount once and depress the + key as many
times as necessary. If this key is depressed immediately after % key, it works as
percent plus key.