Casio SF-4900C User Manual

-” PART-5 -.Galculater Functions
To © perform constant calculations
_1,. Enter the Calculator Mode.
3H)
raaea|
(e}2-
2.
Enter
the
calculation,
pressing
the
arithmetic
operator
’
key
twice.
This
will
causes
the
“K”
indicator
to appear.on
. the
display
| to-indicate
a
constant
calculation,
« “You
can.
use
this.
constant
calculation
technique
for
*
addition,
‘Subtraction,
multiplication,
and
division.
(=).
3.
‘Press
=
=.
to
display
the
initial
result
{in
this
case,
§).
=e
4.
Press
=
"again
to
add
3
to
the
resuit
(in
this
case,
5+
3
oe
= 8).-
*
You
can
1
repeat
the
above
operation
as
many
times
as
“|:
“you
like,
Each
time
you
press
=,
the
previous
result
“obtained
is added
io,
subtracted
from,
multiplied
by,
or
‘divided
by
the
vaius
to
the
left
of
the
arithmetic.
operator!
* ‘To'cléar-a constant calculation, press AC.
To correct errors in calculations
If you enter a wrong ‘value; press C ‘and then enter the corract value.
If
you
press
the
wrong
arithmetic
operator
key
(+,
—,
x,
+),
simply
prass
the
correct
key
before
onernganiiing
else.
About calculation errors...
‘Whenever
an
error
occurs,
the
indicator
“E”
appears
on
the
display.
‘The following conditions all result in errors.
« When the number of digits: in the mantissa of an intermediate or a final. result
exceeds 10 digits. .
68
-Perfarming date:calculations-
«:, When. the number of digits inthe mantissa of.a value stored. in memory
exceeds 10 digits. In this case, the SF Unit automatically retains the last value
stored that did not exceed 10 digits.
« Division by:zero. :
To clear errors
Press C to continue with the same calculation. Fy youwant to clear the calculation
and start again, press AC.
Performing date calculations
The SF Unit fets you perform calculations involving dates within the range of
January 1, 1907 through December 31, 2099. If you try to use dates outside this
range, ihe “E” indicator appears on the display to indicate an error. Note that you
can use constant calculation techniques and calculation memory when periorm-
ing date calculations,
To calculate the number of days between twe dates
1. Enter-the Calculator Mode, ;
.2. Enter the later date, pressing.1 TIME ATE after the e year
and month entries, . wet
1998 7 _ ». .Here, we will calculate the number of days between
(rmemare] 3 December 5, 1997 and July 3, 1998,
ane yo
W968! FP 3
(=) 3. Press — for the subtraction operation.

Casio SF-4900C Specifications

General

Brand	Casio
Model	SF-4900C
Category	Organizer
Language	English