Citizen SR-270II Manual de Usario
Citizen
calculadora
SR-270II
Lee a continuación 📖 el manual en español para Citizen SR-270II (15 páginas) en la categoría calculadora. Esta guía fue útil para 9 personas y fue valorada con 4.5 estrellas en promedio por 2 usuarios
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-E1-
GENERAL GUIDE ............................................................................ 2
ᄼTURNING ON OR OFF ........................................................................ 2
ᄼBATTERY REPLACEMENT .................................................................. 2
ᄼAUTO POWER-OFF FUNCTION ........................................................... 2
ᄼRESET OPERATION........................................................................... 2
ᄼCONTRAST ADJUSTMENT .................................................................. 3
ᄼDISPLAY READOUT........................................................................... 3
BEFORE STARTING CALCULATION ............................................. 4
ᄼMODE SELECTION............................................................................ 4
ᄼUSING “2ND" KEYS........................................................................... 4
ᄼCURSOR ......................................................................................... 4
ᄼMAKING CORRECTIONS DURING INPUT ............................................... 4
ᄼREPLAY FUNCTION........................................................................... 5
ᄼERROR POSITION DISPLAY FUNCTION................................................. 5
ᄼMEMORY CALCULATION .................................................................... 5
ᄼSTACK ............................................................................................ 6
ᄼORDER OF OPERATIONS ................................................................... 6
ᄼA CCCURACY AND APACITY ............................................................... 6
ᄼERROR CONDITIONS ......................................................................... 8
BASIC CALCULATION .................................................................... 8
ᄼARITHMETIC CALCULATION................................................................ 9
ᄼPARENTHESES CALCULATIONS .......................................................... 9
ᄼPERCENTAGE CALCULATION ............................................................. 9
ᄼDISPLAY FORMATS ........................................................................... 9
ᄼCONTINUOUS CALCULATION FUNCTION ............................................ 10
ᄼANSWER FUNCTION........................................................................ 10
SCIENTIFIC CALCULATION.......................................................... 10
ᄼL AOGARITHMS AND NTILOGARITHMS................................................ 10
ᄼFRACTION CALCULATION ................................................................ 10
ᄼANGLE UNITS CONVERSION ............................................................. 11
ᄼT . RIGONOMETRIC / INVERSE-TRI FUNCTIONS ................................... 11
ᄼHYPERBOLIC / INVERSE-HYP. FUNCTIONS ........................................ 11
ᄼSEXAGESIMAL DECIMAL TRANSFORMATION ..................................... 11
ᄼCOORDINATES TRANSFORMATION ................................................... 12
ᄼPROBABILITY ................................................................................. 12
ᄼO ( THER FUNCTIONS X–1, , 3,y, X2, X3, XY) ........................ 12
STANDARD DEVIATION CALCULATION ..................................... 12
REGRESSION CALCULATION...................................................... 13
SR270ll / SR-275
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-E2-
General Guide
Turning on or off
To turn the calculator on, press [ ON/AC ] ; To turn the calculator off,
press [ OFF ].
Battery replacement
SR-270ll is powered by two alkaline batteries (GP76A).
If the display becomes dim and difficult to read, the batteries should
be replaced as soon as possible.
To replace batteries :
1) Remove the screws and the back cover.
2) Replace the old batteries and install new ones with polarity in
correct directions, then secure the screws in place and press [ ON/AC ]
to turn the power on.
SR-275 is powered two AA-size ( UM-3 ) batteries. If the display
becomes dim and difficult to read, the batteries should be replaced
as soon as possible.
To replace batteries :
1) Slide the battery compartment cover in the direction indicated
by the arrow and remove it.
2) Remove the old batteries and install new ones with polarity in
correct directions, then replace the battery compartment cover
and press [ ON/AC ].
Auto power-off function
This calculator automatically turns it off when not operated for
approximately 9~15 minutes. It can be reactivated by pressing
[ON/AC ] key and the display, memory, settings are retained.
Reset operation
If the calculator is on but you get unexpected results, press [ ON/AC ]
and then [ MODE ] four times to display the below menu. A message
appears on the display to confirm whether you want to reset the
calculator and clear memory contents after pressing [ 2 ].
ENG RESET
1 2 → ]2[ RESET : N Y
1 2
To clear all variables, pending operations, statistical data, answers,
all previous entries, and memory, please press [ 2 ]. To abort the
reset operation without clearing the calculator, please press [ 1 ].
If the calculator is lock and further key operations becomes
impossible, please press [ 0 ] [ ON/AC ] at the same time to release
the condition. It will return all settings to default settings.
-E3-
Contrast adjustment
Pressing the [Ÿ] or [ź] following [ MODE ] key can make the
contrast 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.
74 8 7
66.
DEG
Ç
− ÷
Indikator
Indtastningslinje
Indikator
Resultatlinje
Entry line SR-270ll / SR-275 displays an entry of up to 79 digits.
Entries begin on the left ; those with more than 11 digits
scroll to the left. Press [Ź] or [Ż] to move the cursor
through an entry. However, whenever you input the 73rd
digit of any calculation, the cursor changes from “_” to
“Ŷ” 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 decimal,
a negative sign, a “x10” indicator, and a 2-digits positive
or negative exponent.
Indicators The following indicators appear on the display to indicate
you the current status of the calculator.
Indicator Meaning
M Independent memory
ņ 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 Scientific notation.
FIX Number of decimal places displayed is fixed
HYP Hyperbolic-trig function will be calculated
BUSY While an operation is executing
Í Î There are digits to the left or right of the display
Ï Ð There are earlier or later results that can be
displayed
Especificaciones del producto
| Marca: | Citizen |
| Categoría: | calculadora |
| Modelo: | SR-270II |
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