Citizen SR-281 EN User Manual

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File name : SR17E-E.doc
Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1
-E1-
General Guide.................................................................................... 2
Turning on or off .............................................................................. 2
Battery replacement.........................................................................2
Auto power-off function.................................................................... 2
Reset operation ............................................................................... 2
Contrast adjustment......................................................................... 3
Display readout................................................................................ 3
Before Starting Calculation ..............................................................4
Using " MODE " keys....................................................................... 4
Using " 2nd " Keys...........................................................................4
Corrections ...................................................................................... 4
Undo function ..................................................................................4
Replay function................................................................................ 5
Memory calculation.......................................................................... 5
Order of operations.......................................................................... 6
Accuracy and Capacity....................................................................7
Error conditions ............................................................................... 9
Basic Calculations ............................................................................ 9
Arithmetic calculation..................................................................... 10
Parentheses calculations............................................................... 10
Percentage calculation .................................................................. 11
Display notations ........................................................................... 11
Scientific Functional Calculations.................................................13
Logarithms and Antilogarithms ...................................................... 13
Fraction calculation .......................................................................13
Angle unit conversions ..................................................................14
Sexagesimal
Decimal transformation........................................15
Trigonometric / Inverse-Tri. functions ............................................ 15
Hyperbolic / Inverse-Hyp. functions...............................................16
Coordinates transformation ........................................................... 16
Probability...................................................................................... 17
Other functions ( 1/x, ,
3
,
X
, x
2
, x
3
, x
y
, INT, FRAC )........18
Unit Conversion ............................................................................. 19
Physics constants..........................................................................19
Base–n calculations........................................................................ 24
Bases conversions ........................................................................25
Block Function ............................................................................... 25
Basic arithmetic operations for bases............................................ 27
Negative expressions .................................................................... 27
Logical operation ........................................................................... 27
Statistical Calculations ................................................................... 27
Entering data ................................................................................. 28
SR-281 / SR-282
Scientific Calculator
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Summary of Contents

Page 1 - Scientific Calculator

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E1- General Guide...

Page 2 - Reset operation

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E10- Arithmetic calculationArithmetic operations are performe

Page 3 - Display readout

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E11- ¾( 2 + 3 ) x 10 2 = 500 DEG (2+3)¼ 1E02=[ ( ] 2 [ + ]

Page 4 - Undo function

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E12- DEG TAB 6 7=[ 2nd ] [ TAB ] 2 0 .86 DEG 6 7=[ 2nd ] [ T

Page 5 - Memory calculation

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E13- ENG DEG K[ 2nd ] [ ] [ 2nd ] [ ] [ 2nd ] [ ] 0

Page 6 - Order of operations

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E14- [d/e ], the displayed value will be converted to the imp

Page 7 - Accuracy and Capacity

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E15- RAD 90O=90 [ 2nd ] [ DRG ] 1 .57079632679 GRAD 1 . 570

Page 8

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E16- ¾3 cos (π32 rad) = – 1.5 RAD 3 ¼ cos(2¼π 3=3 [ cos ]

Page 9 - Basic Calculations

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E17- ¾If x = 5, y = 30, what are r, ? Ans : r = 30.41381265

Page 10 - Parentheses calculations

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E18- DEG 7C4=7 [ 2nd ] [ nCr ] 4 [ ] 35.¾5 ! = 120 DEG

Page 11 - Display notations

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E19- ¾FRAC ( 10 8 ) = FRAC ( 1.25 ) = 0.25 DEG FRAC ( 1

Page 12 - File name : SR17E-E.doc

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E2- Displaying results ...

Page 13 - Fraction calculation

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E20- 5.Newtonian constant of gravitation G6.67310 x10 –11 m3k

Page 14 - Angle unit conversions

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E21- 42. Josephson constant KJ483597.89819 x10 9Hz V –143. V

Page 15 - Decimal transformation

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E22- 73. Muon mass mµ1.8835310916 x10 –28kg74.Muon mass energ

Page 16 - Coordinates transformation

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E23- 102. Proton gyromagnetic ratioγp2.6752221211 x10 8s–1 T

Page 17 - Probability

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E24- 129.Shielded helion magnetic moment to Bohr magneton rat

Page 18

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E25- The unit enables you to calculate in number base other t

Page 19 - Physics constants

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E26- 11010011bDEG BINIndicates total blocks : 1 block

Page 20 - Rydberg constant in joules

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E27- Basic arithmetic operations for bases ¾1IEIF 16 + 1234

Page 21

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E28- LIN Linear Regression y = a + b x LOG Logarithmic R

Page 22

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E29- CPK ( [CPK] ) Minimum (CPU, CPL) of the x values, where

Page 23

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E3- Contrast adjustment Pressing the [ – ] or [ + ] following

Page 24 - Base–n calculations

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E30- You also can add a new data anytime. The unit automatica

Page 25 - Block Function

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E31- DEG STATCPK[ ] 0. 72590991268¾Find a, b and r for t

Page 26 - DEG BIN

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E32- # < x value > [ x ] < Number of repeats > [

Page 27 - Statistical Calculations

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E33- 3) n!12750 (n = 12750 appears when the times of data ent

Page 28 - Displaying results

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E4- Before Starting Calculation Using " MODE " ke

Page 29

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E5- When a character which is just deleted by [ ], an entr

Page 30 - 1–VAR LIN LOG

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E6- DEG B=[ RCL ] [ B ] [ ] 0 .Running memory You should k

Page 31 - Deleting data

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E7- 1) Fractions 2) Expression inside parentheses. 3) Coord

Page 32 - FULL message

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E8- tanh x x < 1 x 10 100sinh –1x x < 5 x 10 99cosh–

Page 33 - Complex Calculations

File name : SR17E-E.doc Date: 2003/10/8 Trimmed Size : 140 x 75 mm SCALE 1 : 1-E9- but –1 x 10100< x 1log ཎyཎ< 100 ab/cInputΚTotal o

Related models: SR-282 EN

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