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, lnstruction Manual.r., Manual de lnstruccionesManualde InstrugioAnweisungshandbuchMode d'emploiInstruzioni d'usoGebruiksaanwijzing, Manual[4 x crpyxqns no 3kcnn yarLlnn

lnstrnkcja ObsNugit zc .43 \4JJ

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Turning on or off..........Battery replacement.....

CITIZEN.sR-281 / SR-282Scientific Galculator

...........................................2........................................... 2

Using " 2nd " Keys............................Conections............. . ..Undo function .........Replay function.......Memory calculation.Order of operations.and Capacity.......................Error conditions.......

Functional Calculations ................................................. 1 3and Antilogarithms .........calculation. ;..... .. ....... ....unit conversions..................................e Decimal transformation........................................ 1 5... .... .......... ...16......................................16

.......................................j7|lx,,l, lf , d,r',r",xv, tNT, FRAC )........ 18

A...................................... 4A

A

.,''''''..''''..'''..''''''..''.'''''. 7

........'19calculations,.-,,"...,................... ,,,..----.....,,.,,,.,,,,....--.....-....,,24Conversion......constants...

Function........ ...... .... ..operations for bases.expressions .............................operation....data ............

..............9............10..........._'11............11

,..._............. tJ..................14

..................25.............._...25................_26..................26..................27...........27

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Displaying resultsDeleting data...... 2831

on or offturn ihe calculator on. pre$ i ON C I : To turn the calculator off,

is powered by two alkaline batteries (GP76A or LR44).is powered two M-size ( UM-3 )batteries. lf the displaydiffcult to read. the batteries should be replaced asPossible.

batteries:Slide the battery compartment cover in the direction indicated bythe arrow and remove it.Remove the old batteries and install new ones with polarity incorrect directions, then replace the battery compartment coverand press I ON/C I.power-off function

calculator automatically turns it off when not operated for6-9 minutes. lt can be reactivated by pressing I ON/C ]memory, settings are retained.

the calculator is on but you get unexpected results, press I L4ODE lI ( RESET ) in sequence. A message appears on the display toyou want to reset the ca'culator and clear memory

the cursor io " Y " by [ + ], then press I ENJER ] to clear allpending operations, statisiical data, answers, all previousand memory; To cancel the reset operation without clearing

please choose " N ".calculator is lock and further key operations becomes impossible,

[ 0 ] [ CE ] at the same time to release the condition. lt willall settings to default settings.adiustnent

the [ - ] or [ + ] following I MODE ] key can make the contrastthe screen lighter or darker. Holding either key down w'll make thebecome respectively lighter or darker.readout

display comprises two lines and indicators. The upper line is a dotup to '1 28 characters. The lower line is capable of displaying aof up to 12 digits, as well as 2-digits positive or negativeformulas are input and executed the calculation by I E"J.o ],are displayed on the upper line, and then results are shown onlower line.

following indictors appear on ihe display to indicate you thestatus of the calculator.MeaningRunning memoryResult is negativeErrorStoring variable mode is activeRecalling variable mode is active2nd set of function keys are activeHyperbolic-trig function will be calculatedEngineering symbol notationComplex number mode is activeDisplay physics constanisAngle mode : DEGrees, GRADS, or RADSBinary baseOctal baseHexadecimal baseOpen parenthesesNumber of decimal places displayed is fixedStatistics mode is activeRegression mode is activeStatistics data is being editedCPK : Process capabilityCP : Precision capabilitySet upper specification limitSetting lower specif:cation limitlmaginary partAllow to use undo function

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I MODE ] to display mode l1H6 vtH specifying an operating( " 1 N,tAlN ",'2 STAT','3 CPLX'. - 4 RESET " ) or thenotation (' 5 E!,lG' ).1 MAIN : Use this rnde fq basic lelations, including scientific

calculations and BaH lelations.: Use this rpde lo perfm singlFvariable andpaired-variable statistil l@lations and regressioncalculations.: Use this mde to pefom omplex number calculation.

RESET : Use this rcde to perfom reset operation.ENG : Use this mode to allow engin@ring lculations utilizingengineering symbol." 2 STAT " as an example :

ethod 1 : Press I MODE ] and then scroll through the menus using[ + ] or I 2nd I I r' ] uniil '2 STAT' is underlined,then enter the desired mode by pressing I u"]to IMethod 2 : Press I MODE ] and then key in directly the number of themode, I 2 I , to enter the desired mode immediately

you press [ 2nd ], the " 2nd " indicator shown in the display is toyou that you will be selecting the second function of the next keylf you press [ 2nd ] by mistake, simply press [ 2nd ] again to" 2nd " indicator.

have made a mistake when entering a number (but you have notpressed an arithmetic operator key), just press I CE ] to clear theinput it again, or delete individual digits by the

key [ .+ ], or clear all entry by I ON/C ].making corrections, input of the formula is complete, the answerobtained by pressing I EUER ]. You can also press I ON/C ] toresults completely (except clearing memory). lfpress the wrong arithmetic operation key, just press the cotrectto replace it.

functionan undo function which allows you to undo some of the

you just have made.clEG Jdt 6 E iE Otl + I asatfitslrEtI CE ], q rrhich ir irsr dsed by I ONrc I, the' f'' indiratorin the display is to tell you that you can press [ 2nd ] [ s-\ ] tothe operation.

functionjust have been executed. Atleris completed, pressing [ -> ] or [ 2nd ] [ r. ] key willthe operation executed. Pressing [ -] I will display thefrom the beginning, with the cursor located under the firstI 2nd I I l.\ ] will display the operation from thethe cursor located at the space following ihe last character.

moving the cursor by [ + ] or [ 2nd ] [ l..' ] andsubsequent execution.calculation

calculator has nine memory variables for repeated use -- A, B, C,E, F, M, X, Y. You can store a real number in any of the nineISTO ] + tAl - [ F], t M l, IXI - tYl lets you storevaluestovariables.I RCL] + tAl -l Fl, t N/ I, tXl - tYl recallsthevalue ofthevariable.[ 0 ] [ STO ] + [ A ] - [ F ], I M l, IX ] - [ Y] clears the contentto aspecified memory variable.(1) Put the value 30 into variableA

30 I STO ] IA] DEG3 0>A 30(2) Multiple 5 to variableA, then put the result into variable B

5ixllRcLllAlIEEER ]150.

tsrolIB] DEG150)B 150.OISTO]IB] DFG0)B 0.

(3) Clear the value of variable B

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IRCLllBlt ENiEs I Tc0.

should keep the following ruls in rind when using runningPress I l\.4+ ] to add a result lo running rercry and the " l\,4 " indicatorwhen a number is stored in the rercry. Press I l\,4R ] toecall the content of running rerory.

ecalling fiom running remry by pre$ing I l,4R ]key does notffect its contents .unning memory is not available $,hen you are in stalistics mode.

memory variable M and running remory utilize the sameemory area.ln order to replace the content of ihe remory with the displayedumber, please press I X*lV I key.

the content of running memory, you n press [ 0 ] [ X-N,4 ],CE I I X+M ] or [ 0 ] I STO I I M ] in sequence.[(3x5)+(56 + 7)+(74-8x7)l=410lX+Mt OEG

03 [x]5[M+]56[ + ]7[M+174l-lslxlTllV+l DEG7 4 8+7M+

M t8I r\4R ] DEG

rvlt\4 410[x+M] DEG

0; Besides pressing I STO ] or I X+M ] key to store a value, youcan also assign values to memory variable l\4 by [ [4+ ].However, when t STO I t N/ I or I X-N,4 ] is used, previousmemory contents stored in variable M are cleared andreplaced it with the newly assigned value. When I N,4+ ] is used,values is added to present sum in memory.

operationscalculation is performed in the following order of precedence:

Eprsion irei{te pasihs-C@rdinates transfomation ( P+R , R+P )Type A functions which are required entering values beforepressing the function key, for example, x',11x, r, x!, %, RND,ENG, otrt+ , +ottr, x', y' .

VType B functions which are required pressing the funciion keybefore entering, for example, sin, cos, tan, sin -1, cos -t, tan r,sinh, cosh, tanh, sinh 1, cosh -1, tanh -r, log, ln, FRAC, lNT, r',if , 't o " , e *, Nor, EXP, DATA in srAT mode.+/-, NEGnPr, ncrx,++, -AND, NAND -- only Base-n modeOR, XOR, XNOR -- only Base-n mode

and Capacitydigits : Up to 12 digits.

digits: Up to 14 digitsgeneral, every reasonable calculation is displayed up to 12 digits

mantissa plus 2-digits exponent up to 10 +ss.must be within the range of the given functionfollow :

Functions lnput ranqestn xCOS Xtan x

oeg: lxl

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tanh x x < 1 x 10sinh' Xl

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performed by pressing the keys in the samein the expression.

negative values, press [ +i- ] after entering the value, You canin mantissa and exponent fom by I EXP ] key.Z]Sx10-5=0.0000275

7[+]5[x]4iEN_IER l DEG7 + 5+4= 27

2.75tEXPl5l+/-ltEEERl I DEG0.0 0 0 0 2 7 5

greater than 1012 or less than 10 -rr are displayed inform

12369x7532x 74103 = 6903680612720= 6.90368061272 x 1O 1'?

1236s lxl7532 Ixl74103IENJER] '1 2369*7532+7 p6.90368061272

2[r]7[+]6[rl5l+]4lENjERl I DFc2*(7+6*\5+4= 122.

1201x]30[2nd][%][EN]ERl I DFG12 a*3O%= 36.88+55%=160

BBt + l55l2ndlt%lt ENIER I DEc88+55%= 160.

6l+17[EN]ERl DEG6+7 =0.857142a5714[2nd][rAB]4 DEG TAB6+7 = 0.B571

calculationsparentheses are always executed first. SR'281 /

can use up to 1 3 levels of consecutive parentheses in a singleparentheses occurring immediately before operation of the [ ) ]

no matter how many are required.2x{7+6x(5+4\}=122

multiplication sign " x " occutring immediately before anopen parenthesis can be omitted.cannot be derived by entering [ ( ] 2 [ + ] 3 [ ) ] I EXP lBesure to enterl xl beh{een the t ) I and I EXP ] in the below

calculation] [ % ] divides the number in the display by '1 00. You can use thispercentages, add-ons, discounts, and

ratios.120 x 30 o/.:36

has the following display notations for the display value/ Floating Notations

specify the number of decimal places, press [ 2nd ] [ TAB ] and thenvalue indicating the number of places ( 0-9 ). Values are displayedto the place specified. To return floating setting, pressNotation

change the display mode between floating and scientific notation,I FeE ].

I ENG ] or [ 2nd ] [

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[2nd][IAB]2 DEG TAB6+7 =0.8 6

I2ndllrABl[.] OEGo.85714285714

lFeEl DEG6*7 =4.57142857143IENG] DEG 43457.142857143I2ndll+ll2ndlf+. I DEG 030.0 0 0 8 5 7 1 4 2 a 5

Symbol Notationtime you specify the ENG mode, a displayed result is

shown with the corresponding engineering symbol.'2=,0''. "i= ro u. ofl'= ,0 ", 'T= ro ''. sff= romega _ i^ b k lo_ "^ 3 miLi_ .^ I Trcrom - '" unz

Plco ,^-t2 femto _^,rsp=ru f =]u a- t,yoctovthe following operation to specify engineering

IMoDE]5(ENG)exit from ihis mode, press I MODE ] 5 once again.6+7=o.as7142asv4

symbol

MAIN ( TMODE I I (MAIN ) ) modeforscientific functionand Antilogarithms

calculator can calculate common and natural logarithms andusing Ilog], Ilnl' t2ndl [ 10*], and[2nd1[e"]

ln 7 + lo9 1oo = 3.94591014906

= 100.006737947i2ndlllo'l2L+lL2ndlIe'fu l .^^^ ::"1,,'i,Enrini -- | 10^2+e^ 5=

1 0 0.0 0 6 7 3 7 I 4 7Fraction calculationFraction value display is as follow

{Noter: Values are automatically displayed in decimal format wheneverthe total number of digits ol a fractional values ( integer +numerator + denominator + separator marks ) exceeds 12'To enter a mixed number, enter the integer part' press I a b/c ]' enterthe numerator, press I a bic ], and enter the denominator; To enter animproper fraction, enter the numerator' press I a b/c ]' and enter thedenominator., r a+ t+j-.1-

Tlabtcl2labld3l+]'14[ab/c] I - ^ .""tj5[ab/c]7[ EN]ER l 'Lu2)3+14:-j5J722s8J21.During a fraction calculation, if the figure is reducible' a figure isreduc-ed to the lowest terms after pressing a function command key( t+I, t-l, Ix] or[ + ] ) orthe I t*lER I kev Bv pressing [2nd ]

I rvoDE ] 50

6[+]7[EN]ERl ENG DEG6+7 = m857.142857 143IENG] ENG DEG

u457142.457143{.&m-;};;2!@rla-r;am, * 6i-.' I rI o-oooaszr+zas r

oisprayor fr F; tAtisPravor56fi

-E13-

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[ +d/e ], the disptayed vatue will be converted to the improper fractionand vice versa. To convert between a decimal and tmaiomf euft,presslab/cl.> t?=aL=q.s=94224lablcl2Ia b/cl4[ ENfER ] DEG4112tI = 4u1 J2-lab/cl DEG4s2J4 =

4.5[2nd][+d/e] DEG4u2tq = 9)2l2ndl[+d/e] DEG4u2)4= 4U1J2Calculations containing both fractions and decimals are calculated indecimal format.> 8- + 3.75 = 't2.55

8[ablc]4lab/cl5l+1375 I DLcIEN]ERI ] gu+_ts*g.zs=12.5 s

unit conversionscalculator enables you to convert an angle unit amongradians(RAD), and grads(cRAD).

relation among the three angle units is :180 " =rrad = 200 gradTochange the default setting to another setting, first press [ 2nd ]I DRG ] key repeatedly until the angle unit you want is indicated inthe disptay.

After entering a value, press I 2nd I I DRG+ I repeatedly untit theunit you want is displayed.eO Oeg. = 157079692679 rcd. = 1OO grad.I2ndllDRGl I DEc

0.00!=t-57 0 7 3632G7t

I[ .trr lR-ataliDRe+ I

e+ Decimal transformationenables you to convert the sexagesimal flgure (degree'and se@nd) to decimal notation by pressing { ottt+ I or

the decimal notation to the sexagesimal notation by [ 2nd ]].

flgure value display is as follow:Represent 1 25 degrees (D),45 minutes(M), 30.55 seconds(S)

'@| 1,57 07963267II 100.

: The total digits of D, M and S and separator marks must bewithin 12 digits, or the sexagesimal couldn't be showncompletely.12.755 = 12o 45t 18tl

12.75512ndi[+ottt] DEG12" 4 5t i ltl

2 o 45t 1o.5t | = 2.752916666672lo;st-l45lotst-l 10.5 [ottt+] j DFG

2.75291666667/ lnverse-Tri. functions/ SR-282 provides standard trigonometric functions and

functions - sin. cos. tan sin ' , cos and tan: When using those keys, make sure the lculator is set for theangle unit you want.F sin 30 deg.= 0.5

I sin ] 30 [ ENJER ] DEGs in30=0.5

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3[cosl[{]2lxll2ndlltrlJ+l i FAD3[E\.rERl | :.cos(2.n*3=3 sin -1 o.s = 90 deg3l2ndllsin'lO.s1eu1ec, , DEG3*s in-1 0.5=

90 ./ lnverse-Hyp. functions/ SR-282 uses [ 2nd ] [ Hyp ] to catcutate the hyperboticand inverse-hyperbolic functions _ sinh, cosh. tanh. sinh - .and tanh -'.

: When usjng those keys, make sure the calculator is set for theangle unit you want.cosh 1.5 + 2 =4.35240961524[2nd][HYP]icosll.5l+12 | DEc[EN]ERI cosh1.5+2=4.35240961524sinh -1 7 = 2.64412076106

L2ndllHYPl[2ndllsin']7 I DFGlENlERl sinhl'7=2.64412076.106transformation

Coordinates Polar Coordinates

x+yi=r(cos0+isinp): When using those key, make sure the calculator is set for theangle unit you want.calculator can perform the conversion between rectangularand polar coordinates by [ 2nd ] [ p+R ] and [ 2nd ]I.

f r = :- I =X. lErer + : r.E - =.t5fi-.E-: * =m.53t 6-lrtp !IIE;IHl5[2ndll ' lI rR*P(5,retrRr DEG

r30.4138126515I2ndllxeyl DEGeI 0.537 67 7 7 92lfr= 25,6 =56owhatarex, y ?Ans; x= 13.9798225868, y =20.7259393139

calculator provides the following probability functions :] Calculates the number of possible permutations of n itemtakenratatime.I Calculates the number of possible combinations of n itemstakenratatime.] Calculates the factorial of a specified positive integer n,where n

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7[2nd][ncr]4[ ENfER ] 7 C4 = 35.sl2ndllxlllEN]ERI I DEG5I 120.t2ndltRNDl I DEGRnd 0.449

(Itx,,1,.f, tr, x', xt, xt, lNT,)calculator also provides reciprocal ( [ 2nd ] [ 1/x ] ), square root]).cubicroor(l2ndlI i/ ]).universalroot([2nd]l f l).( [x2] ), cubic( [2nd ] lx3l ), and exponentiation ( [xv] )*=o.u

1.25t2ndl [1 /x][ EN]ER ] DEG1 .2 s-'0.8

z2+ Jq+v+"J125+53= 1392lx'?ll+lty'1111+1*12t1;1 | DEGI+ll2ndll f I 1251+15{2ndl I z' -f ( 4 +2 1 ) +lyrllENIERf I 139.

7u +1,@ =16612Tlxyl5l+l4l f lozslenltnl] DEG7xY 5+4^,razs=16412.

lndicate the integer part of a given numberlndicate the fractional part of a given number

INT( 10 + 8 )= INT( 1.25 )= 1l2ndl I lNrl 10 [ + ] 8 [ ENjER I INT(10+8= I.A\: -: = i =:q.- '2. ='-Etm jlRiclrol + IrI aFl EFRAC ( I Oit=o-25

Gonversionlculator has a built-in unit mnversion feature that enables you

convert numbers amng different units.Enter the number you want to convert.Press I CONV ] to display the menu. There are 7 menus, cover ingdistance, area, temperature, cpacity, weight, energy, andpressure.Use the I CONV ] to scroll through the list of units until aappropriate units menu is shown, then I EN]ER l.Pressing [ -] I or [ 2nd ] I r' I can convert the number toanother unit.1 yd'?=St1'?=0.00000083612km'?

constantscan use 136 physiG constants in your lculations. With the

constants ito Peter J.Mohr and Barry N.Taylor, CODATAalues of the Fundamental Physical Constants ;1998,

of Physical and Chemical Reference Data,Vol.28, No.6,'1999of Modern Physics,Vol.72, No.2, 2000.

No Quantitv Svmbol Value, UnilSpeed of light in vacuum 299792458 m s 'Maonetic @nstant 1 2566370614x10{NA-'z

3 El ec tr ic @ns tant 0 8.854187817 x 10 -'F m -'ChaGcteristic impedanceof vacuum z 376.73031346't f)

! ICONVIICONVI[ + ][ t*]uo l OEGtt' vc'mI2ndll*-\l DEG* vd' m' Ii+lt+tt+l DEGkm'? hectaresildi'000083612

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NeMonian constant oioravitation G 6.67310x10r1m3kg1sPlanck @nstanl h 6.6260687652 x10 sJ s

7 Planck constant over2 pi h 1.05457159682 xlO -34J sAvogadro constanl N4 6.A221419947 x1O zr mol'Planck length lp '1.6160'12 x10 '"m

10. Planck time 5.390640 x10 as11 Planck mass mp 2.176716 x10 6kq12 Atomic mass @nstant MU '1.660538731 3 x10 -'?7 ko'13 {lomrc mass consEnt mllc 'z 1.4924177812 x1O ro J14 aoav rcnsEnt IF 96485.341 539 C moi -'15. ementaru charoe e 1.60217646263 x10 '" C16. :lectron volHoule 1.60217646263x10 " J17 e/h 2.41798949195 x10 ''AJI MOlar 0as mnsEnt R 8.31447215Jmo| 1K 19 loltzmann constani 1.380650324 x10 "J K -'20 ildlar 0lanck constant NAh 3.9903'1268S30x10''.ls mol

iackur-Tetrode constanl So/R 1 164467444&ien disolacement law b 2.897768651 x1O -3m K-aftice parameter ol a 543.10208816 x10 -r'?mielan-BolEmann constant o 5.67040040 x'l0 jW m -'z K -Itandard a@eleration of s 9.80665 m s -?qlomtc massrnit-kilodrrm rclati^nehih It 1.6605387313 x10 -'?7kgFi6t radiation constanl c 3.7417710729 x1O 16Wm2Fi6t Ediation constant forsoectml radiane crL 1 . 1 g 1 0 427 2293x1 O-lW m2 sf1Second mdiation constanl c2 1 .43877 5225 x1O -'/ m KMolar volume of ideal oas 22.41399639 x10 3m 3 mol -{vdbea constanl R- 10973731 5685 mivdbero constant in Hz R-c 3.28984196037 x'10'"HzRydberg constant in ioules R-hc 2.1798719017 x10-'" J

\4 Hartree enerov 4.3597438134 x10 i3Jf,uantum of circulation h/me 7.27389503253 x10' m' sFine structure mnstant 7 .29735253327 x10 -3-oschmdt @nstanl 2.686777547 xl0 " mlohr raaiiLrs aa O.52917720832 xlo-'" m\4aqneticflux quantum Oo 2.06783363681 xl0 '"Wb

0 iance ouanhrm GO 7.74809169628 x10 -"Snverse of @nductan@ G o-' 12906.4037865 0

$- 4i-#: iEllrdi r ,r tr i-Eq@ f ZGEI.@D:4 -nrqtrn,r ra gtTitlFllr!-JT--46. BotE rEgrelm in l

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73 Muon mass mu 1.8835310916 x'10 'z3ks74 Muon mass energy mpc2 1 .692833321 4 xlo 11 J75 Muon-tau mass Etio mU/mr 5.9457297 x10-'76 Muon-proton nlass Gtio mp/mp 0.1'126095173377 Muon-neutron mass ratio mA/mn 0 .1124545079378 N4uon magnetic moment a! 1.'1659'160264 x10 -379. Muon g-factor qu 2.0023314320180 N4uon Compton lc, U 11.7344419735 x1o-15 m81 Muon Comptonwavelenqth over 2 pi Ic,u 1 .86759444455 x1o -15 mt2 Muon magnetic momenl llu 4.49o4481322x10 '?6 JTl3 Muon magnetic momenlto Bohr maoneton ratio P tr/pe 4.8419708515 x1014 Muon magnetic moment tonuclear maoneton ratio Pp4rN 8.890597702715. Muon-proton magneticmoment ratio lr p iup 3.1 833453910]6 Tau Compton wavelength lc,t 0.6977011 x'l0 '"m\7 Tau Compton wavelengthover 2 pi I c,r 0.11104218x10 15m)8 Tau mass mI 3.1678852x10'zi kgt9 Tau mass energy fltc 2 2.8471.546 x1o40 J)0. Tau-proton mass ratio mr/mp 1.8939631t1 rrcton Comptontavelenqth lc,p 1.321409847'10 x1 0 -r5 m,2. Proton Comptonwavelenqth over 2 pi I c,p 0.2'1030890892 x10 1sm)3 Prcton mass mo 1.6726215813 x10 -'' ko

Proton mass energy mpc 2 1.5032773112 xloto J)5 Proton-neutron massEiio mp/mn 0 s9862347856)6 Proton cha.ge to mass e/mp 9.5788340838 x10 7C ks -

Prcton maqnetic moment up 1.41 060663358 x1 0 -'" J T -)8 ihielded proton magnetic !p '1.41057039959 x10'z6JTl9 magnetic moment ftp/trttt 2.79284733729'100 Proton-neutron magneticmoment retio ! p/trn '1.4598980534101 Shielded

prcton magneticnoment to Bohrnaoneton ratio ['p/!B 1.520993132'16 x10

rmmfi,|r-rrc"lffi+.,tffifr fi 2.E c-?nrttjt-r04. bnrAndcd*f{!fredir dp 25s8tr5/l'105. Dlon q-fador g! 5.5456S467561106 {eutrcn Compton lc,n 1.31 959089810 x'l 0 -15 m107 {eutron Comptonvavelenqth over 2 oi I c.n 0.21001941422 x10 -15 m108 leutrcn mass mn 1.6749271613\10 'z7kg109. {eutrcn mass energy flnc 2 '1.5053494612 x'10 -''J110. {eutron magnetic Fn 0.9662364023x10 -'?6J T 1111 {eutron maqneticnoment to Boh.naqneton ratio rn/l|B -1.0418756325 x'l0 -3112. {eutrcn g-factor gn 3.82608545901'13. ,{eutron gyromagnetic Yn '1.8324718844 x10 3s i T j14 Jeuteron mass md 3.3435830926 x10 -" kq

115. Jeutercn mass energy mdc 2 3.0050626224 x10 roJ116. )euteron molat mass M(d 2.0 1 355321 271 x1 0- kq mol117 Jeutercn

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Shielded helion magnetic29. i momentto Bohri maoneton ratio ir'h/uB 1.15867147414 xl} 3

130 Shjelded helion magneticmoment to nuclearmaqneton ratio F'h/AN 2.127 4977 1 42513't ihielded helionIVromaqnetic raiio 2.03789476485 x10 3s-1 T 1132 \lpha partrcle mass mC 6.6446559852 x10 -'?7 ko133. \lpha Panrcle mass hcc 2 5.9719189747 x10 '' J134 \lpha particle molar mass M{c) 4 AU5A61747 1 x10'kq mol'tJc \lpha particle to electronnass ratio frg/ms 7294.29954416136 \lpha pafiicle to protonnass ratio md/mp 3.97259968461

a constant at the cursor position ;Press I CONST ] to display the physics constants menu.Press[ + ]or[2nd][ *-\ ]untiltheconstaniyouwantisunderlined.Press I sNfER l.

can use the { CONST I key in combination with a number, 1136, to recall a physical constants. For example, press 15oNST ].DEC

e -191.64217646263sxt.to= 10 24

( [ MODE ] 1 ( MAIN ) ) mode for BasFn @lculations.

Ddllbm-rrfia.rffim 3rt[ffi.shm tE ruH* trd @ be lEd n sa!:[hr

( o ) : O, 1,2, 3, 4, 5, 6,7: 0, 1,2,3, 4,5, 6, 7, B, I

( h ) : 0, 1,2,3, 4,5, 6, 7, 8, I, A, B, C, D, E, Fthe A, B, C, D, E and F used in the hexadecimal baseetters, they appear as shown in the below.

(e\ Display(Upper) Display(Lower) Key Display(Upper)fr D ID

B IB b E IE Ec rc F IF F

the number base you want to use with [+BlN ], [+OCT ],[+HEX]. The " BIN ",' b',' ocT',' o', " HEX",' h'you which number base you are using. If none of theappears in the display, you are in decjmal base.conversions37 (base 8) = 31 (base 10) = 1F (base 16)

Functiona result in binary base, it will be displayed using block function.

in 4 blocks of 8 digits.

3 I xl I coNsr j I coNsr] [ + ]i+l CONST OEGh 6 NA lp tp --6.0221419947CONST DEG008: ro I 1 o6.0 2 2 1 4 1 I I 4 7

r ENTER r r ENTER l CONST DEG3*NA= 24130664259841

[ 2nd ] laocr ] 37 DEG OCT00000000037

[ 2nd ] [+DEC ]3

[ 2nd ] [+HEX ] DEG tsEX0000001F

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DEG BN

tr--tr01010111 b

DEG BINE_-_01000111 b

ltElF-* 1&< + tGr2=1a;6,[ 2nd ] [+HEX ] IE F I+ | t ]td t[+DEC ] 1234 [ + I t2ndl [-.alN11001 I ENfER I [2nd ] [4ocT]

r @hlEF-1234+t'oo0oo00.r17D a

[2ndII+HEX]3ALNEGJ I DEO FE}NEG h 3/AFFFFFFC6 h

expressionsbinary, octal, and hexadecimal bases, the calculator representscomplement notation. The complement is theof subtracting that number from 1 0000000000 in that number'spressing I NEG ] key in non-decimal bases.

3/A,u = NEG lFlFlFIFlFlFlco 16

operationoperations are performed through logical products (AND),(NAND), logjcal sums (OR), exclusive logical sumsnegation (NOT), and negation of exclusive logical sums

1010rAND (/A16OR716)= 126DEG BINb1010 AND (h000000000'1 2

( [ MODE ] 2 ( STAT ] ) mode for statistical calculations.calculators can perform both single-variable statistical

and paired-variable in this mode.I MODE j 2 ( STAT ) to enter STAT mode. There are six items inyou to select one of them,

I+l[-]l[-+]statistics

SinglFVariable statistics/ Regression statistics

lndicates Block 2 presenily displayed

lndites BJock4 presentty disptaFd

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Linear RegressionLogarithmic RegressionExponential Regression

Y=a+bxy=a+blnxY=a'e='

# lndividual data: I DATA] # N,4ultiple data ofthe same value ;I DATA] < x value > [ x] < Number of repeats >(B) To input paired-variable / regression data using the followingsyntaxes :

# lndividual data-set: IDATA][, ] # l4ultiple data ofthe same value :I DATAI < xvalue > [ t ] < yvalue > [x] < Numberofrepeats >

(Note) : Even yo! exit STAT mode, all data are still retained unless youclear all data by selecting D-CL mode.Displaying resultsvalues of the statistical variables depend on the data you jnput.can recall them by the key operations shown in the below table.

statistics calculationsVariables lMeaning(lnl) Number of the x values entered!l{1zno1*1fl11 Mean ofthe x valueslx ( i2ndl+l lsx-l l ) Sample standard deviation of x values

ox ( t2ndl+i Gil l) Population standard deviation of x valuesXx ( t2ndl+l ltt ]) Sum of all x values:x '?( I2ndt*t [ii: l r ium of all x 2 values:P ( I2ndl+t [cE ]) Potential pability precision of the x values

-**Cmq,* m! dtEr -:n ftCPl,ELW{Ehf d'T.i{lU

=Min(CPU,CPL)=sP1statistics / Regression calculations

\'lumber of x-y pairs entered( t2ndl+1[ I I(tznol+1fl11 !4ean of the x values or y values( t2ndl+l fs;l I )( t2ndl+t [Stl ] ) Sample standard deviation of x values or

yvalues

( I2ndl+l Eil I )( t2ndl+t Gtl I ) Population standard deviation of x values ory values( I2ndl+l t;l I )( t2ndl+l l-tl I ) Sum oi all x values or y values

1zno1+1 ljxzl 1;'z( 1znol+1 [j1,2 1 11 Sum ol all x

2values or y2 values

V Sum of ( x. v ) for all x-v pairs( t2ndl+tfcPl I ) Potential mpability precision of the x values

Minimum (CPU, CPL) of the x values, whereCPU is upper spec. limit of capabilityprecision and CPL is lower spec. limit ofcapability precisionCPK = Min ( CPU, CPt ) = CP ( 1 - ca )(t2ndl+t 'l1) Regression formula constant term a( t2ndl+tltl ] ) Regression formula regression mefficient b

( I2ndl+t fa I ) Correlation coefficient r'([x t) Estimated value of x'(lv'l) Estimated value of y

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Y@ also n add a new data anytire- TtE ufi adomtillyrecdoiat statistis each tire you prs I DATA ] ild ffits a ne;d*ElE.> tstgr-d1e.Usl = 95, LSL = 70. DATA 1 = 7s. DArA z = 85, DATA3 = 90, DATA 4 = 82, DATA 5 = 77. tlg find out " = !. r: = ;i';'sx =-6.0580524e234, q = s.41848687366,-cF: o.r6n2*1tt'and CPK = 0.72S90991268

a-7 2 ,1r,,," "* |Find a, b and r for the iollowirE data 6ing ftE. EgEiadestimate x = ? for y =573 and y = ? forx = 19.Data item 15 't7 21FREQ 451 475 525 678

datato delete data depends on whether you have already

data by next pressing I DATA ] key or not.delete data you jusl input but have not yet stored it by next pressing

] , simple press I CE ].delete data that you have already stored by next pressing I DATA ] .To delete singlFvariable data using the following syntaxes :# [2nd][DEL]

lMoDEl2 DEG1-VAR LIN LOGI ENJER ] I DAIAI 75 I DAIAI 85I DArA] e0 [ DATA Is2IDATA]77

OEGDATA 5 STAT77Inl DEG STAT

n

t 2nd tt ltl l DEG STATX

8 'l .8t2ndltfsal DEG STATSX6.05805249234I2ndltGa 1 DEG sTAlOX5.4 1a48 687366t2ndltfcEle5 DEG STATUSL=CP95 usr

J ENJER ] 7n DEG STATLSL=CP70 LsLr ENTER l

CP0.7 6 8 9 7 2 3 6 5 .t 3ICPK] DEG STATUSL= CPK9 5.usrDEG SIATLSL= CPK7 0.LSL

MoDEl2l+l DEGLIN STATLOGVAREN]ER llDATAIi5l t 1451 IDATAI17 I , l475IDArAl21 [, 1525DAIA]2sl t 1678

DEG STATDATA 4=28, REG678DEG STAT

REGa1 7 6.1 0 6 3 2I 1 1 4

DEG STATD17.5873417722

E l OEGr0.98S8451641

STAT

3DEG STATx'573 RE(22.5670073413

STATy'19 RE(5 1 0.2 6 5 a 2 2 7 a 5

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t lr]l2lElirF lTo re rurg}{lEb. rttEn frb rq b trqgilrG# lilfirrfirdltblrd .rdp>[ t l{hllDE-l* ltuttdaElsanlr@E!.b< r rdG >i t l< f rdr!>[rl< ffi cilr.!*>[ hlTTq Isrb Jd ebE e $lDman rEhfid n i tu dA by

" rR 6rE"1T* hnhEEG dataafl rtiEd-x tu I t EIXT I b atr EtIf r@. Tt EUT trnde is&&Gdata

rN i-VlFl r@, lE r# b -Ea @sG m y,HEr youErloEd*bnArd* EdrfE Fr trslmT^lfute trn-?effi 1 smndtd ts fE drspofBn*r_.: oiwddAIA 1 15

S Edr lire yqi p(6 I TFR I, r*E ifips dGdy on@laywitntddaibn

ln REG rDde, ch tjre )dr pr6 [ DATA l. d* ibrn ild x Elreappr m the w at the m tire, Y@ 6 p(6 [ t I toflidr belwr x and y vdre-DATA I ='l5.zt5: Ir I DATA'l =15,45tr't5 61

rent to ffired data. fird qrt ad enter a lw stry to replae it.message

FULL' is indited wten ay of the dlding @nditions ocur anddata entry beolG irp(sible- Just presing any key nthe indietor. The previous data entris are still retained unlessexit STAT mde.lf the times of data entry by I DATA ] is mre than 50The number of repeats is more than 255

erry ryI DATA I are up !o for cfi wlare all 255. i.e. 12750 = 50 iCPLX ( [ MODE I 3 ( CPLX ] ) mode for comptex catcutations.rnde enables you to add, subtract, multiply, and dividenurbe6.BJE of a @nptex opeEtio are displayed 6 follry :

15-

RedvalEAbsoluteyd

lm lrEgimryElrea Argutrpflt El@(7- 9 i.) + ( 15+ 12il=2 + 3 i. d = 22.20360331'12, at=

cPu rcRe lm ab22.2o36ia3CPU DEGRe lm ab

7.7 6 5 1 6 6 0 1

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CITIZENsR-281 / SR-282Calculadora Cientif ica

PaE enender o apagarSustitucion de la Bateria..........................Funci6n de apagado autom6tico.............Reinicialiaci6n.......Awte del ContrasteLectuE de la Panta1|a..............................

Orden de operacionesExactitud y Capacidad

...................2...................2...................2...................2...................3...................3

..6..7

Calculo Aritm6ticos.Celculos entre Parentesis......................Calculo de Porcentaje...............Notaciones en Panta11a..................Funcionales Cientifi cos.......Logaritmos y AntilogaritmosCalculo de Fracci6n............Conversi6n de unidades angulares ..Tnnsfomaci6n Sexug""iruf - o""i;ri..........Funciones trigonom6tricas / Tri. 1nversa............Funciones hiperb6lis / Hip. inveFas ........--....Transfomacidn de Coordenadas.....Probabilidad............

ConveEi6n de Bas

................9... ...10.............. 10_.............11..............12..............13........ .....'13..............14..............14

..._.......... 1 5.............. .t 5

..._.......... 16..............17

Expresion6 negativas.....-.,.......-....-......... --.......-...--......-.--............2727