Citizen SR-270N Calculator User Manual


 
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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.
DEG
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Indicator
Entry line
Result line
Indicator
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.
A Alphabetic 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 Scienti c notation.
FIX Number of decimal places displayed is xed
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