Display Readout; 1 - 4 Key Markings - Citizen SRP-280 Instruction Manual

1 - 3

Display readout

The display comprises the entry line, the result line, and indicators.
Indicator
Entry line
Entry line SRP-280 displays an entry of up to 76 digits. SRP-285 displays
an entry of up to 80 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. Press [ 2nd ] [ ] or [ 2nd ] [ ] to
move the cursor immediately to the beginning or end of the
entry.
Result line It displays a result of up to 10 digits, as well as a decimal, a
negative sign, a " x10 " indicator, and a 2-digits positive or
negative exponent. Results that exceed the digit limit are
displayed in scientific notation.
Indicators The following indicators appear on the display to indicate you
the current status of the calculator.
Indicator
M
–
2nd
MODE
MAIN
STAT
Base-n
VLE
QE
CPLX
DEGRAD Angle mode : DEGrees, GRADs, or RADs
ENGSCI ENGineering or SCIentific notation.
TAB
HYP
BUSY

1 - 4 Key markings

Many of the calculator's keys are used to perform more than one function. The
functions marked on the keyboard are printed differently to help you find the one
you need quickly and easily.
Keyboard marking
White
Yellow
Green
MAIN
74 – 8 ÷ 7
66.
Meaning
Independent memory
Result is negative, or the entry line is full
2nd set of function keys is active.
Mode selection is active
Main mode is active
Statistics mode is active
Base-n mode is active
Variable linear equation mode is active
Quadratic equation mode is active
Complex number mode is active
Number of decimal places displayed is fixed
Hyperbolic-trig function will be calculated
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
Meaning
Direct input
Press [ 2nd ] and then key
Press key in Base-n mode
E - 3
Indicator
Result line