A
ll
and more about Sharp P
C-
1500 at http://www.PC-1500.info
B.
Range
of
Calcula
ti
ons
Most machines
have
a r
al'
lQe
of
numbe
rs \..,ith which they can operate. in t
he
PC·l
500
, th
is
ran
ge
is
any
nurnbE>
r between 9.9999999
99
x
10
" 99 and - 9.999999999 x 10 " - 99.
Whe
n a
num
ber
exceeds
th is ra
nge
it
becomes
too lar
ge
f
<>
r the comp
ut
er
to
ha
nd
le and
an
"o
ve
rflow''
condition {signalled
by
error
37
1
occ
u
rs
. There
is
also
an
"underflo
w"
condition;
the
point at
\¥h
ich a nu
mbe
r becomes too small. An underfloi,v condition will not
be
si
gna
ll
ed
; no error
message
or ha
lt
wi
ll
occur.
Any
number w
hi
ch falls i
nto
the
range
of
- 1 x 10 " - 99 to 1 x
10
"
99
will
be
r
eg
arded
as
zero. Th
is
is
illustrated
by
the fol
low
ing chart:
-
1x10
" -
99
1 x
10
" - 99
-9.99999
9
99
9 X lQ A
99
0 9.999999999 x 10 /\ 99
'
ERROR
COMPUTATIONAL
REGARDED
COM
PUTATIO
NAL
ERROR
RANGE
AS ZERO RANGE
Example 1:
If
yo
u t
ry
to
so
l
ve
t
he
equation { 5.67 x 10 " 55} *
(8
.90 x 10 "
65},
you
wi
ll
cause an overflow:
Keystrokes
Error
37
indi
ca
t
es
c~lc
u
la
t
ion
overfloi.v.
C. Root, P
ow
e
r,
Pi
Root
Ex~
m
ple
1:
To
find the square root of 73:
Keystrok
es
Example 2: To
find
V2
s6
:
Keystrokes
Do
not sale t
his
PDF
!!!
62
D
is
play
(5.
67E55)
* (8.
90E65)_
~
RROR
.
37
___
_
Di
sp
l
ay
[!
73_
1
~
__
_
8.
_5_
44003745
1
Di
sp
lay
lrr
25s_
To Next Page
Loading...
