Sharp EL-512 Instruction Manual page 10

W h e n c a lc u la tio n s a re e x e c u te d f r o m h ig h e r p r i o r i t y o n e in se q u e n c e a lo w e r p r io r i t y one
m u s t be re se rve d . T h e m a c h in e is p r o v id e d w it h m e m o rie s o f e ig h t le v e ls t o m e e t su c h
r e q u ir e m e n t.
A s th e m e m o rie s ca n be also used in a c a lc u la tio n in c lu d in g p a re n th e s e s , c a lc u la tio n c a n be
p e r f o r m e d a c c o rd in g t o a g iv e n m a th e m a tic a l f o r m u la u n le s s p a re n th e s e s a n d p e n d in g
o p e r a tio n e xce e d 8 le v e ls in t o t a l.
© S in g le -v a ria b le f u n c t io n s a re c a lc u la te d im m e d ia t e ly a fte r k e y o p e r a tio n w it h o u t b e in g
r e ta in e d . (
x
2 , 1 / x , n l, -+ D E G , -^D -IV IS , e tc .)
M ± J M S c > * ] d [ J ] e
© © ©
©
( C a lc u la tio n u s in g p a re n th e s e s >
W ith th e
\yx\
p re s s e d , 3 c a lc u la tio n s re m a in
p e n d in g . P re ssin g th e QT) k e y e x e c u te s th e
c a lc u la tio n s o f " y x " h ig h e s t in p r i o r i t y leve l
a n d " x " id e n tic a l in p r io r i t y le v e l. A f t e r th e
C B k e y is p re s s e d , th e o th e r 2 c a lc u la tio n s w il l
re m a in p e n d in g .
< C a lc u la tio n w it h o u t u s in g p a re n th e s e s >
E x . a [ + ] b [ = ] P e n d in g o f 1 leve l
~ © ~
a
r + l
b | X I c I
=
l P e n d in g o f 2 le v e ls
© ©
a [ + ] b [ x ] c [ 2 ] d [ = ] P e n d in g o f 3 leve ls
© © ©
E x . |)
ID
a [ + ] b [ X ] c 2 ) C H I d [ J ] e
© © © ©
M S D ] c 0 d (? ) e m
© © © ©
4 n u m e ra ls a n d c a lc u la tio n in s t r u c ­
tio n s a re l e f t p e n d in g .
P re s s in g th e Q ] k e y e x e c u te s th e
c a lc u la tio n o f c — d -f e in th e
p a re n th e s e s , le a v in g 2 c a lc u la tio n s
p e n d in g .
a re n th e s e s can be used u n le s s p e n d in g c a lc u la tio n s e x c e e d 8. H o w e v e r, p a re n th e s e s can
be c o n t in u o u s ly used u p t o 1 5 tim e s .
E x . P a re n th e s e s , i f c o n t in u e d , ca n be used u p t o 1 5 .
a x
b - c x ({{6 + e ) x f ) f g
..........
16
17