Sharp PC-1403 - Sample Expression Evaluation

204
T h i s is t h e va lu e of the e x pression .
0 . 38
And l ast of al l , the d i v i s i o n i s perfo r med:
3 8 / 100
The e x ponentiati o n i s done n ex t:
3 8 / 10 "' 2
Now t h a t t h e parentheses a r e cleared , the L OG fun ct ion h a s t h e highest pr i or ity s o it is
do n e n e x t:
38 / 10 "' LOG 100
or :
( 38 ) / 1 0 "' LOG 100
And t he n t h e add i tion :
(36 + 2 ) / 10 " L OG 100
(6*6 + 2 ) / 10 " LOG 100
In t h e n ext s et of parentheses, i t w ou l d do th e mu ltipl i cat i on fir st:
or :
((6) * 6 + 2) / 10 "' LOG 100
Th e n it would do s ubt r acti on :
((8 - 2) * 6+2 ) / 10 "' L OG 100
T h e COMPUTER w ou l d f i rst evalu at e t h e inne rmost s et o f parenth e ses . Si n ce '+ '
and ' - ' are at the sa m e le v el , i t wou l d mo v e fro m l e ft to ri ght a nd w ou l d d o the
add i tio n first:
(( 3+ 5 - 2 ) *6 + 2 ) / 1 0 "' L OG 100
Starti n g w i t h th e ex pr e ssion :
Sample Evaluation
F or l eve l s 3 and 4 , t h e l ast entry has a high er p ri ority .
F o r e xa mple : -2 "' 4 ~ - (2 4 )
3 "' -2 ~ 3 - 2
APPENDIXD
Exp r ession E va lu ati on a nd Op e rator Priority