b. Whenever the key is operated, the calculator discriminates the above priorities and holds the data and operation keys pending as required.

This pending action is possible up to 6 times, and 15 levels or more pending become error.

c.[ ( ] key is accepted only immediately after [CE], [+], [–], [x], [], [xy], [ y x ], [=], [ ( ] keys can not accepted in all other cases. When this key is accepted, the displayed data is cleared to 0. When [ ( ] key is first accepted, the special display “( )” illuminates.

When a parenthesis expression is completed [ ) ] and [=] key or When it is cleared by the [ON/C] key, etc. or when errors are generated, the special display “( )” goes out.

d. If it is within the allowable range of pending, [ ( ] can be input into any place in an expression as many times as desired. However, if the key is pressed continuously 16 times or more, it becomes error.

e. From a viewpoint of numerical expression when the corresponding “ ) ” key is not pressed, the operation is not executed even if the “ ( ” key is pressed. On the other hand, When the “ ( ” key is pressed and the “ = ” key is the pressed without pressing the corresponding “ ) ” key, the operation is also completed according to the priority.

(10)[XM], [MR], [M+] Memory calculation

a.The memory register “M” used by these keys is a completely independent single memory.

b.Display data is added to “M” (memory register) by [M+] key. If data overflows at this time, the proceeding data is hold.

c.Display data is stored in “M” by [XM] key.

d.Contents of “M” is displayed by [MR] key.

e.When any data except for 0 is stored in “M”, the special display “M” illuminates.

(11)[EXP] : 1. Exponent select key.

2.This key display a rounded value : 3.141592654.

(12)[%=] : Calculation

a.When any arithmetic functions constant mode has been set, the displayed number is converted from a percentage to a decimal. Example: 61.5%

Key Input

Display

[6] [1] [ • ] [5] [SHIFT] [%]

0.615

b. When [=] key is pressed after [%] following arithmetic function will be executed.

- E4 -

SR135_English_090326.rtf

SIZE : 140x75mm

SCALE 2:1

2009/3/26

 

 

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Image 5
Citizen Systems SR-135N manual Scale