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Citizen SR-282 [2/16] Replay function

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Before Starting Calculation

Using " MODE " keys

Press [ MODE ] to display mode menus when specifying an operating

mode ( " 1 MAIN ", " 2 STAT ", " 3 CPLX ", " 4 RESET " ) or the

engineering symbol notation ( " 5 ENG " ).

1 MAIN : Use this mode for basic calculations, including scientific

calculations and Base–n calculations.

2 STAT : Use this mode to perform single–variable and

paired–variable statistical calculations and regression

calculations.

3 CPLX : Use this mode to perform complex number calculation.

4 RESET : Use this mode to perform reset operation.

5 ENG : Use this mode to allow engineering calculations utilizing

engineering symbol.

Give " 2 STAT " as an example :

Method 1 : Press [ MODE ] and then scroll through the menus using

[ ] or [ 2nd ] [ ] until " 2 STAT " is underlined,

then enter the desired mode by pressing [ ].

Method 2 : Press [ MODE ] and then key in directly the number of

the mode, [ 2 ] , to enter the desired mode immediately.

Using " 2nd " Keys

When you press [ 2nd ], the " 2nd " indicator shown in the display is to

tell you that you will be selecting the second function of the next key

you press. If you press [ 2nd ] by mistake, simply press [ 2nd ] again to

remove the " 2nd " indicator.

Corrections

If you have made a mistake when entering a number (but you have not

yet pressed an arithmetic operator key), just press [ CE ] to clear the

last entry then input it again, or delete individual digits by the

backspace key [ ], or clear all entry by [ ON/C ].

After making corrections, input of the formula is complete, the answer

can be obtained by pressing [ ]. You can also press [ ON/C ] to

clear the immediate results completely (except clearing memory). If

you press the wrong arithmetic operation key, just press the correct

key to replace it.

Undo function

The unit offers an undo function which allows you to undo some of the

errors you just have made.

When a character which is just deleted by [ ], an entry which is just

cleared [ CE ], or which is just cleared by [ ON/C ], the " " indicator

shown in the display is to tell you that you can press [ 2nd ] [ ] to

cancel the operation.

Replay function

This function stores operations that just have been executed. After

execution is completed, pressing [ ] or [ 2nd ] [ ] key will

display the operation executed. Pressing [ ] will display the

operation from the beginning, with the cursor located under the first

character. Pressing [ 2nd ] [ ] will display the operation from the

end, with the cursor located at the space following the last character.

You can continue moving the cursor by [ ] or [ 2nd ] [ ] and

editing values or commands for subsequent execution.

Memory calculation

Memory variable

The calculator has nine memory variables for repeated use -- A, B, C,

D, E, F, M, X, Y. You can store a real number in any of the nine

memory variables.

• [ STO ] + [ A ] ~ [ F ], [ M ], [ X ] ~ [ Y ] lets you store values to

variables.

• [ RCL ] + [ A ] ~ [ F ], [ M ], [ X ] ~ [ Y ] recalls the value of the

variable.

• [ 0 ] [ STO ] + [ A ] ~ [ F ], [ M ], [ X ] ~ [ Y ] clears the content to a

specified memory variable.



(1) Put the value 30 into variable A

DEG

3 0  A

30 [ STO ] [ A ]

3 0 .



(2) Multiple 5 to variable A, then put the result into variable B

DEG

5 ¼ A =

5 [ x ] [ RCL ] [ A ] [ ]

1 5 0 .

DEG

1 5 0  B

[ STO ] [ B ]

1 5 0 .



(3) Clear the value of variable B

DEG

0  B

0 [ STO ] [ B ]

0 .

Citizen SR-282 [2/16] Replay function

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