Sharp El531wh User Guide

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CO NTEN TS
HO W  T O  O PER ATE
Read Before Using
Key layo ut/R ese t sw it c h2
D is p lay  p atte rn3
D is p lay  fo rm at3
E xpo nen t d is p lay4
A ngu la r u nit5
Function and Key Operation
O N/O FF, e n try  c o rrectio n key s6
D ata  e n try  key s7
R an d o m  k e y
M odif y  k ey
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B asic  a rit h m etic  key s, p are n th ese s1 0
Perce n t11
In ve rse ,  s q u are ,  c u be,  x th  p o w er o f  y ,
sq u are  r o ot,  c u be r o ot,  x th  r o ot o f  y1 2
10  t o  t h e p ower o f  x , c o...

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How  t o  O pera te
2nd function key
P re ssin g t h is  k e y w il l   e n ab le  t h e fu nctio ns
w rit te n  in  o ra n ge  a b o ve  t h e c alc u la to r 
b utto ns.
ON/C, OFF key
D ire ct f u n ctio n
Mode key
T his  c alc u la to r c an  o pera te  in  t h ree  d if fe ren t
m odes a s fo ll o w s.

W rit te n  in  o ra n ge  a b o ve
th e O N/C  k e y
< Power o n>< Power o ff>
1 .  K EY  L AY O U T
If  t h e c alc u la to r fa ils  t o  o pera te  n o rm ally ,
p re ss t h e r e se t s w it c...

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For c o nven ie n t a n d  e asy  o pera tio n, t h is  m odel  c an  b e u se d  in  o ne o f  fo ur d is p lay  m odes.
T he s e le cte d  d is p lay  s ta tu s is  s h ow n in  t h e u p per p art o f  t h e d is p lay  ( Fo rm at In d ic ato r).
N ote : If  m ore 0 ’s ( z e ro s) t h an  n eed ed  a re  d is p laye d  w hen  t h e O N/C  key  is  p resse d , c h eck
w heth er o r n o t t h e c alc u la to r is  s e t t o  a  S p ecia l  D is p lay  Fo rm at.
•F lo atin g d ecim al  p o in t fo rm...

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5.  E X PO NEN T D IS PLAY
The d is ta n ce  fro m  t h e e arth  t o  t h e s u n is  ap prox. 150,0 00,0 00 (1.5  x  108) k m . Valu es
su ch  a s t h is  w it h  m any  z e ro s a re  o ft e n  u se d  in  s c ie n tif ic  c alc u la tio ns, b ut e n te rin g t h e
ze ro s o ne by  o ne is  a  g re at d eal  o f  wo rk  a n d  it ’s  e asy  t o  m ake  m is ta ke s.
In  s u ch  a  c ase, t h e nu m eric al  v alu es a re  d iv id ed  in to  m an tis sa  a n d  e x po nen t p o rtio ns,
d is p laye...

5
Angu la r v alu es a re  c o nverte d  fro m  D EG  t o  R A D  t o  G RA D  w it h  e ac h  p ush  o f  t h e D RG
key. This  fu nctio n is  u se d  w hen  d o in g c alc u la tio ns r e la te d  t o  t r igo no m etr ic  fu nctio ns o r
co o rd in ate  g e o m etry  c o nversio ns.
(p/2 )

6 .  A N G ULA R U NIT
(in  D EG  m ode)
••• •• •••
O pera tio nD is p lay
9 0° ( D EG ) =
p/ 2  ( R A D ) =
10 0 ( G RA D ) =
p
2
T he re la tio nsh ip s b etwe en  t h e t h ree  t y p es
o f  a n gu la r u nit s...

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Turn s t h e c alc u la to r o n o r c le ars t h e d ata . It  a ls o  c le ars t h e c o nte n ts  o f  t h e
calc u la to r d is p lay  a n d  v o id s a ny  c alc u la to r c o m man d ; h o wever, c o effi-
c ie n ts  in  3 -v aria b le  li n ear e q uatio ns a n d  s ta tis tic s,  a s w ell  a s v alu es s to re d
in  t h e in d ep en d en t m em ory in  n o rm al  m ode, a re  n o t e ra se d .
Turn s t h e c alc u la to r o ff.
C le ars a ll  in te rn al  v alu es,  in clu d in g c o effic ie...

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Data  E ntry  K eys
P rovid ed  t h e e arth  is  m ovin g a ro un d  t h e s u n  in  a  c irc u la r o rb it ,
h ow  m an y k ilo m ete rs w ill  it  t r ave l  in  a  y e ar?
*  T he ave ra ge  d is ta n ce  b etwe e n  t h e e arth  a n d  t h e s u n b ein g
1.4 96 x  108 k m .
Circ u m feren ce  e q u als  d ia m ete r x  p; t h erefo re,
1.4 96 x  108 x  2  x  p
0  t o  9
P ress in g p a u to m atic ally  e n te rs t h e v alu e fo r p ( 3 .1415 9...) .
T he c o nsta n t p, u se d  fre q uen tly...

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Rand om
G en era te s r a n d o m  nu m bers.
R an d o m  nu m bers a re  t h ree -d ecim al- p la c e  v alu es b etwe en  0.000  an d  0.999.    U sin g t h is
f u nctio n e n ab le s t h e u se r t o  o bta in  u n bia se d  s a m pli n g d ata  d erive d  fro m  r a n d o m
valu es g e n era te d  by t h e c alc u la to r.

A PP LIC ATIO NS:
Build in g s a m ple  s e ts  fo r s ta tis tic s o r r e se arc h .
0 . * **  (A  r a nd om  n um ber h a s b ee n  g en era te d .)
[ R an d o m  D ic e ]
T...

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Fu nctio n t o  ro un d  c alc u la tio n re su lt s .
E ven  a ft e r s e ttin g t h e nu m ber o f  d ecim al  p la c e s o n t h e d is p lay,  t h e c alc u la to r p er-
fo rm s c alc u la tio ns u sin g a  la rg e r n um ber o f  d ecim al  p la c e s t h an  t h at w hic h  ap p ears
o n t h e d is p lay.  B y u sin g t h is  fu n ctio n, in te rn al  c alc u la tio ns w ill  b e p erfo rm ed  u sin g
o nly t h e d is p laye d  v alu e.
A PP LIC ATIO NS:
Fre q u en tly  u se d  in  s c ie n tif...