Citizen CX-77BN [4/128] 页面 5

3 (E)

[QJ to [!] [QQ] Numerical key

Used to enter number into calculator.

· ... · .. · · ...... · Decimal polnt key

Used to enter decimal point.

··· Ptuskey

Adds an amount lo the accumulator . To add the same

amount more than one time (repeat addition), entertha t

amount

once and depress 1he Plus key as many tirnes as

necessa1y. lf this key is depressed immediatety alter [%]

key,

rt wo~s as percent plus key.

· ... , .......... Minus key

To subtract the same amount more than one time

(repeat subtraction ). enter !hat amount once and de-

press the Minus key as many tim es as necessary. II this

key is depressed immediately alter

[% J key, tt worl<s as

percent minus key.

1 c?~E J ........ ....... . Switch on I Clear entry I Clear key

Used for clearing wrong entry or registered amount.

MP.mnrv contP.nts are not cteared.

0[~J .. ·····

0 ., .............. .

Multiplication and division key

Stores multiplication and division orders and performs

mulliplicalion and division orders stored previously.

Perform repeat m_ultiplication and division calculalion .

Equalk.ey

Performs multiplication , division , % , constant calcula-

lions and other calculations.

1 o/o J ·· .... · ..... ····· Percent key

Performs percent calculalions.