Sharp PC-1403

I SH I FT I
~
rn ~
De s i gna t es o de c i m a l p lace.
( Th e 1 s t dec i m al place i s r o un de d .)
I S HIF T I
~
[I] ~ D esig n ates 1 deci m al p l ace .
(T h e 2nd deci m al p l ac e i s r oun ded . )
I S H I FT I
[fill
rn~
D es i gna t e s 9 d ec i ma l p l aces.
(Th e 10 t h de c i m al p la c e i s r oun ded.)
2 8
Th e I s H 1 FT I. a nd [fill keys are u s e d to sp e cify th e nu m ber of d e ci ma l p l aces i n the
calc u latio n res u lt. T he nu mb er o f dec i m a l p l aces aft er the decimal po i n t i s specif i e d b y
t h e n u me ra l ke y ( rn - rn ) p re s sed a fte r t he I S H I F T I a nd [fill keys . I n t his
ca s e, t he d i s play m o d e m u st be F I X ( f ixed dec i ma l p o i nt ) , S C I ( scie nt ific no ta ti o n ) ,
or E N G ( en gi n ee r i n g n o t at i o n ) .
Dec i mal Places
N ote : Th e [TI keys l o cat e d j u s t b efo r e th e CE] o r [ffi] k ey c an be om itt e d .
C a l c ul a te : 1 2 + 42 + ( 8 ~ 6 )
Key i n : 1 2 m 42 [£) OJ 8 G 6 OJ @J
An s wer : 33
C a lc u l a t e : 126 + [(3 + 4) x (3 - 1))
K e y i n : 126 CTI OJ CO 3 C±J 4 CIJ 00 CO 3 G 1 U ] OJ @:I
A n s w e r : 9
Th e pa r e nt h es e s k e ys ar e ne eded to c l uster t ogether a s er i es of o p erat i ons w h en i t i s
n e c ess ary to overri de t h e p r i o ri t y s y s tem o f al geb r a. W h e n p a r e n the ses a re i n u s e on
th e COMP U T E R , t h e sy mb ol "( )" wi l l ap pear i n the d i s p l ay .
C a l cu lat i o ns i n pa r e n t hes e s h ave p r io r i ty ov e r o th e r calculations. Pa r ent he s e s i n the
CA L mode ca n be u sed up t o 1 5 t i m e s i n a s in g l e le ve l. A c a l cul at io n wi thin the
in nermost s et of par en th es e s w i l l b e pe rfo r m ed f i r st.
Use of Parenthesis
I n t h e abo ve exam pl e , e
= rr / 3 i s i np ut fi rst a nd i s
r ep lace d wi t h r = 14 by
pu sh i n g t h e rn key a fte r
r is i n pu t.
rn 1 4 rn 1 SH I FT 1 E!ll
T
C on vert ing po l a r co o r di nat e s to r ec t ang u l a r (r , 0 ~ x, y )
S o l ve fo r P (1 4 , ir/ 3 ) , r = 1 4, e = ir / 3 )
An g u l ar u ni t: RAD
K ey i n; I SHI FT I 00 rn • 3 CE]
A n s we r : 7 . 00000000 2 (x)
K ey i n : [I]
An s wer : 1 2. 21 24 355 6 5 (y)
Using as a Calculator