Contrast adjustment

Pressing the [ ] or [ ] following [ MODE ] key can make the con- trast of the screen lighter or darker. Holding either key down will make the display become respectively lighter or darker.

Display readout

The display comprises the entry line, the result line, and indicators.

Indicator Entry line

DEG

74 – 8 / 7

72.85714286

Indicator

Result line

Entry line

The calculator displays an entry of up to 79 digits.

 

Entries begin on the left ; those with more than 11 digits

 

scroll to the left.

 

Press [

] or [ ] to move the cursor through an entry.

 

However, whenever you input the 73rd digit of any

 

calculation, the cursor changes from “ _ ” to “ ” to

 

let you know memory is running low. If you still need to

 

input more, you should divide your calculation into two

 

or more parts.

Result line

It displays a result of up to 10 digits, as well as a deci-

 

mal, a negative sign, a “ x10 ” indicator, and a 2-digits

 

positive or negative exponent.

Indicators

The following indicators appear on the display to indi-

 

cate you the current status of the calculator.

 

Indicator Meaning

 

 

M

Independent memory

 

 

Result is negative

 

 

2nd

2nd set of function keys is active.

AAlphabetic Keys ( A ~ F , M , X ~ Y ) are active.

STORCL STO : Storing variable mode is active RCL : Recalling variable mode is active

SD Statistics mode is active

REG Regression mode is active

DEGRAD Angle mode : DEGrees, GRADs, or RADs

ENG

Engineering notation.

SCI

Scientific notation.

FIX

Number of decimal places displayed is fixed

HYP

Hyperbolic-trig function will be calculated

BUSY

While an operation is executing

 

There are digits to the left or right of

 

the display

 

There are earlier or later results that can be

 

displayed

 

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Citizen SR-270N manual Contrast adjustment, Display readout