Sharp PC-1500 - Page 154

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NOT ES :
When both ari thmetic sign an d expanents a rc used in t he same expressi on, t he ex ponent is
e va luated before the si gn.
Example: -5 " 4 is cvo luo ted to - 625 in $tcad of 6 25
Ca lcul ati ons \V i 1hin pare n t_ he se s will be e va lu a1 cd first. In e xpress io ns vv ith se veral "l ayers "
of parentheses, cal cu lat ion s start \V ith t he innermost pair and proceed to th e o ut er m os t pair of
parentheses.
Samp le Evaluation
7 "
2
+ 3 *
V 144 I vs 1
+ SIN
( 120 + 150) * - 3
7
/\
2
;· 3 *
V 144 I vs1 + SIN (2701
* -3
7 /\ 2
+ 3 *
12
I 9
- 1
*
3
49
+ 3 *
12
I
9 + - 1
* - 3
49 + 36 I 9 + 3
49
+ 4 + 3
53
+ 3
56
(CA LCULA TION RANGE)
Functions Dynamic ran ge
-1x 10
1 00
< x l ogy< lOO (y = O ,x ~ o: ERROR 39
)' ~ x (y;<)
y = O.x > 0 : 0
y < O. x :%: integer: ERROR 3l1
DEG: Ix l < l x 10'
0
I
In TAN x, ho .. vever, the fo llow ing cases are
SIN x
excluded.
COS x RA D: 1x 1< .!!..x10
10
j
DEG: lx l • 90(2n-1)
.. .
RAD : Ix I • -;- (2n -1 )
TAN x
GRA D: I x I < •; x 1 o'
0
GR AD : Ix I - 100(2n-1) {n: intege r)
S IN -
1
x
-1fx~1
cos -• x
TAN" '.Y
Ix I < 1 x 10
100
LNx
1 x 10- .. & x < 1 x 10
1 00
LDGx
EXPx - 1 x 10
100
< x ~ 230. 2585 092
.
,;;- 0 ;:; x < 1 x 10
1
""
Fu nctions other th on sho\• 1n above c.an be calculated only when x ita ys wi t hin t he following range.
1 x 10 -• • ;:; 1. ~ I < 1 x 10
100
and O
(E x.)
e A j,l \ li PIT t A)
-
ERROR 39
(.$ "' 5 f< •" •l
......
e
1-4 ) A J,l.5
f& HTt ft ) .....
ERROR 39
-4 A .0. 5 ( LH t(ij
.....
-2
• As a rule. the error of functional calculations is l ess than +- 1 at the 10\ -vest digit of a displayed nume·
rical
value (at the lowest digit of mantissa in the case of sctcntif ic not at ion system) \Vithin t he
above cal culation range.
1 52
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