Casio SF-4400 User Manual

* = — executes a calculation and displays its result.
+ Use % for percentage calculations.
To enter the Calculator Mode « Use ¥ for square root caiculations.
To
enter
the
Calculator
Mode,
select
the
calculator
Mode
icon
from
the
main
+
D
shitts
the
displayed
value
to
the
right,
cutting
off
the
rightmost
digit
menu
screen.
a
-~ About the Calculator Mode keys....
The following illustration shows the SF Unit keys that are used in the
Calculator Mode. a
4.
A
OMODaODOMmwmHm
/
©
Me
MAM
£
=
x
Bs
=
“
-
COOOOOOOOOM
*
CLEAR
—
clears
the
calculator
:
.
+ Use the number keys (0 through 9 ) to enter values. Press « to inputa
decimal point.
+ Use MC, MR, M-, and M¢ for calculator memory operations.
MC — clears the calculator memory.
MR — recails the current calculator memory contents.
M— — subtracts the currently displayed vatue from the currentmemory
contents. You can also press M- to execute acaiculation, with
the result being subtracted from the memory contents.
4,
.
8s
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he
66
Calculator Functions
Using the Caiculator
Whenever
you
enter
the
Caiculator
Mode,
some
of
the
keys
on
the
SF
Unit
keyboard
take
on
calculator
functions.
PART 5 Calculator Functions
To perform caiculations
Using the Calculator
M+ — adds the currently displayed value to the current memory
contents. You can also press M+ to execute a calculation, with
the result being added to the memory contents.
* Use +, —, x and + to specify the arithmetic operation that is marked
above each key.
Using the Calculator
To perform constant calculations
—— @ 1. Enter the Calculator Mode.
fac) 0. 3H 2 2. Enter the calculation, pressing the arithmetic operator
f=) key twice. This will causes the ‘K” indicator to appear on
83,¢ 123.c 8Se Solz}123 [=}63 ms the display to indicate a constant calculation.
963: (69 = 58) = sz) Ge) loa) : + You can use this constant calculation technique for
(GS S= 88) SOA TESS selxJs(= je rt 78.19230769 addition, subtraction, multiplication, and division.
vers ‘ ie 3. Press = to display the initial result (in this case, 5).
=
§6(x]741852{=]
|
E
9.158608051
pe
Pes ance t20456(%) c 9.158608051 Ee 4, Press = again to add 3 to the result (in this case, 5 + 3
VO x5 3 \ij)sf=)| —8.660254035 = 8) , ;
oa 23(+ Ke 35. + You can repeat the above operation as many times as
12423 K 68. you like. Each time you press =, the previous result
. obtained is added to, subtracted from, multiplied by, or
Ke 101 divided by the value to the left of the arithmetic operator.
oo ee as ¢ To clear a constant calculation, press AC,
12(x}(k)2.3[=) | Kx 27.6
: Kx 54. To correct errors in calculations
Ks 4.6875 H you enter a wrong value, press C and then enter the correct value.
K. 8.125 if you press the wrong arithmetic operator key (+, —, x, +), simply press the
42% of 1500 180. correct key before entering anything else.
Percentage of 660 against 880 75: :
15% add-on of 2500 2500(x}15(%)[¥) 2875. r~ About calculation errors.... :
25% discount of 3500 asoo(x}2s{% 2625. Whenever an error occurs, the indicator "E" appears on the display.
%
discour
=
4
What will the selling price and 480(+)25[% 640. E
profit be when the purchasing = 160.
price of an item is $480 and .
the profit rate to the selting 0
price is 25%? . iL
If you made $80 last week and 100 )sof% 25.
ie 90 this week, Wha Ie The foliowing conditions ail result in errors.
18 percent i ?
80x9= 720 fac] 8O{ x }9{m+] | M 720. * When the number of digits in the mantissa of an intermediate or a final
-)50x6= 300 S50[x}6fa-} | M 300. result exceeds 10 digits.
20x3= 60 20[%)3{me} | M 60.
480 (ua) | M 480.
67

Casio SF-4400 Specifications

General

Brand	Casio
Model	SF-4400
Category	Calculator
Language	English