Casio FX 300 MS 사용자 설명서
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E
• Whenever discarding the calculator or batteries, be sure to
fx-82MS
do so in accordance with the laws and regulations in your
particular area.
* Company and product names used in this manual may be registered
fx-82SX PLUS
trademarks or trademarks of their respective owners.
fx-85MS
6. Removing the Hard Case
Before using the calculator, slide
its hard case downwards to
fx-220 PLUS
remove it, and then affix the hard
case to the back of the calculator
fx-300MS
as shown in the illustration
nearby.
fx-350MS
7. Turning Power On and Off
Press O to turn on the calculator.
User's Guide
Press 1A(OFF) to turn off the calculator.
Auto Power Off
Your calculator will turn off automatically if you do not perform any
CASIO Worldwide Education Website
operation for about 10 minutes.
http://edu.casio.com
8. Adjusting Display Contrast
1. Press the , key a number of times until
you reach the setup screen shown to the
right.
2. Press c.
3. Use d and e to adjust contrast.
4. After the setting is the way you want, press A.
RJA530690-001V01
SA1303-B
Printed in Thailand
Important: If adjusting display contrast does not improve display
readability, it probably means that battery power is low. Replace
the battery.
9. Reading the Display
1. Important Information
The display of the calculator shows expressions you input, calculation
• The displays and illustrations (such as key markings) shown in
results, and various indicators.
this User's Guide are for illustrative purposes only, and may differ
somewhat from the actual items they represent.
Input expression
• The contents of this manual are subject to change without notice.
Calculation result
• In no event shall CASIO Computer Co., Ltd. be liable to anyone
for special, collateral, incidental, or consequential damages in
connection with or arising out of the purchase or use of this product
10. Specifying the Calculation Mode
and items that come with it. Moreover, CASIO Computer Co., Ltd.
shall not be liable for any claim of any kind whatsoever by any other
When you want to perform this type of
party arising out of the use of this product and the items that come
operation:
with it.
• Be sure to keep all user documentation handy for future reference.
General calculations
Standard deviation
2. Sample Operations
Regression calculations (fx-82MS/85MS/
Sample operations in this manual are indicated by a
icon. Unless
300MS/350MS only)
specifically stated, all sample operations assume that the calculator
Note: Mode indicators appear in the upper part of the display. Be sure
is in its initial default setup.
to check the current calculation mode (COMP, SD, REG) and angle
unit setting (Deg, Rad, Gra) before beginning a calculation.
3. Initializing the Calculator
Perform the following procedure when you want to initialize the
11. Configuring the Calculator Setup
calculator and return the calculation mode and setup to their initial
Pressing the , key more than once displays additional setup
default settings. Note that this operation also clears all data currently
screens. Underlined ( ___ ) settings are initial defaults.
in calculator memory.
fx-82MS/85MS/300MS/350MS: p!,(CLR) 3(All) =
1Deg 2Rad 3Gra Specifies degrees,
fx-82SX PLUS/220 PLUS: pr3(All)=
radians or grads as the angle unit for value
input and calculation result display.
4. Safety Precautions
Note: In this manual, the v symbol next to a sample operation
indicates degrees.
Battery
Battery
• Keep batteries out of the reach of small children.
1Fix 2Sci 3Norm
number of digits for display of a calculation
• Use only the type of battery specified for this calculator in this
result.
manual.
Fix: The value you specify (from 0 to 9) controls the number of decimal
places for displayed calculation results. Calculation results are
5. Handling Precautions
rounded off to the specified digit before being displayed.
Example: 100 ÷ 7 = 14.286 (Fix 3)
• Dim figures on the display of the calculator indicate that battery
Sci: The value you specify (from 1 to 10) controls the number of
power is low. Continued use of the calculator when the battery
significant digits for displayed calculation results. Calculation results
is low can result in improper operation. Replace the battery
are rounded off to the specified digit before being displayed.
as soon as possible when display figures becomes dim. Even
Example: 1 ÷ 7 = 1.4286 × 10
if the calculator is operating normally, replace the battery at
least once every two years (fx-82MS/82SX PLUS/220 PLUS), or
Norm: Selecting one of the two available settings ( Norm 1 , Norm
2) determines the range in which results will be displayed in non-
three years (fx-85MS/300MS/350MS). A dead battery can leak,
causing damage to and malfunction of the calculator. Never
exponential format. Outside the specified range, results are displayed
leave a dead battery in the calculator.
using exponential format.
Norm 1: 10
• The battery that comes with the calculator discharges slightly
Example: 1 ÷ 200 = 5 × 10
during shipment and storage. Because of this, it may require
replacement sooner than the normal expected battery life.
• Do not use an oxyride battery* or any other type of nickel-based
primary battery with this product. Incompatibility between
such batteries and product specifications can result in shorter
1ab/c 2 d/c
battery life and product malfunction.
fraction (d/c) for display of fractions in calculation results.
• Avoid use and storage of the calculator in areas subjected
1 Dot 2 Comma
to temperature extremes, and large amounts of humidity and
comma for the calculation result decimal point. A dot is always
dust.
displayed during input.
• Do not subject the calculator to excessive impact, pressure,
or bending.
• Never try to take the calculator apart.
• Use a soft, dry cloth to clean the exterior of the calculator.
LY700-4E_140421.indd 1
LY700-4E_140421.indd 1
k
Initializing Calculator Settings
Perform the following procedure to initialize the calculator, which
returns the calculation mode to COMP and returns all other settings,
including setup menu settings, to their initial defaults.
fx-82MS/85MS/300MS/350MS: p1,(CLR) c(Mode) =
fx-82SX PLUS/220 PLUS: prc(Mode) =
12. Inputting Expressions and Values
4 × sin30 × (30 + 10 × 3) = 120 v
4 *s 30 *( 30 + 10 * 3 )=
Note: • The memory area used for calculation input can hold 79
"steps". One step is taken up each time you press a number key
or arithmetic operator key ( +, -, *, /). A ! or a (fx-
82MS/85MS/300MS/350MS only) key operation does not take up a
step, so inputting !W(
• Whenever you input the 73rd step of any calculation, the cursor
changes from "_" to " k" to let you know memory is running low.
k
Calculation Priority Sequence
When the priority of two expressions is the same, the calculation is
performed from left to right.
Function with parentheses: Pol(
1st
a
RanInt#(
Type A functions: With these functions, the value is
2nd
entered and then the function key is pressed. (
x
!, ° ' ", m, m
3rd
Powers and roots: ^(
4th
Fractions
Implied multiplication of π ,
5th
memory name, or variable name: 2 π , 3
Type B functions: With these functions, the function key is
pressed and then the value is entered. ( ',
6th
e
x
x
, 10
, sin, cos, tan, sin
sinh
−1
, cosh
Implied multiplication of Type B functions: 2 ' 3, Alog2, etc.
7th
Indicators
8th
Permutation ( n P r ), combination ( n C r )
Multiplication, division ( × , ÷)
9th
10th Addition, subtraction (+, –)
• The negative sign (–) is treated as a Type B function, so particular
care is required when the calculation includes a high-priority Type
A function, or power or root operations.
Perform this key
Example: (–2)
4
operation:
k
Correcting and Clearing an Expression
N1(COMP)
To delete a single character or function:
N2(SD)
1234_ → ddD → 12 4
N3(REG)
To insert a character or function into a calculation:
123_ → d!D(INS) e → 1243
• The cursor changes from "_" to " t".
To clear all of the calculation you are inputting: Press A.
13. Basic Calculations
k
Fraction Calculations
2 + 1 =
1
1
3
2
6
Note: • Mixing fractions and decimal values in a calculation will cause
the result to be displayed as a decimal value. • Fractions in calculation
results are displayed after being reduced to their lowest terms.
To switch a calculation result between improper fraction and
mixed fraction format: Press 1$( d/c ).
Specifies the
To switch a calculation result between fraction and decimal
format: Press $.
k
Percent Calculations
150 × 20% = 30
Calculate what percentage of 880 is 660. (75%)
–1
(Sci 5)
Increase 2500 by 15%. (2875)
Discount 3500 by 25%. (2625)
–2
|
x
|, |
x
|
10
10
Norm 2: 10
–9
|
x
|, |
x
|
10
10
–3
(Norm 1); 0.005 (Norm 2)
Discount the sum of 168, 98, and 734 by 20%. (800)
e
168 + 98 + 734 =G1~(STO)-(A)
b
d
* As shown here, if you want to use the current Ans (answer) memory
Specifies either mixed fraction (ab/c) or improper
value in a mark up or discount calculation, you need to assign the
Ans memory value into a variable and then use the variable in the
Specifies whether to display a dot or a
mark up/discount calculation.
If 300 grams are added to a test sample originally weighing
500 grams, what is the percentage increase in weight?
(160%)
What is the percentage change when a value is increased
from 40 to 46? (15%)
k
Degree, Minute, Second (Sexagesimal)
Calculations
The following is the input format for a sexagesimal value: {degrees}
$ {minutes} $ {seconds} $.
Note: You must always input something for the degrees and minutes,
even if they are zero.
2°20´30˝ + 39´30˝ = 3°00´00˝
2 $ 20 $ 30 $+ 0 $ 39 $ 30 $=
Convert 2°15´18˝ to its decimal equivalent.
'), for example, takes up only one step.
3
(Converts decimal to sexagesimal.) !$(←)
k
Multi-Statements
You can use the colon character (:) to connect two or more
expressions and execute them in sequence from left to right when
you press =.
x
y
r
θ
,
), Rec(
,
),
b
,
)* (*fx-82SX PLUS/220 PLUS only)
3 + 3 : 3 × 3
x
x
x
3
,
2
,
−1
,
, m
, n, °,
r
g
,
)
1
2
k
Using Engineering Notation
y
x
'
x
),
A simple key operation transforms a displayed value to engineering
notation.
e
(natural logarithm base),
e
, 5A, π A, etc.
Transform the value 1234 to engineering notation, shifting the
decimal point to the right.
', log, ln,
3
−1
, cos
−1
, tan
−1
, sinh, cosh, tanh,
−1
, tanh
−1
, (−))
k
Calculation History
In the COMP Mode, the calculator remembers up to approximately
150 bytes of data for the newest calculation. You can scroll through
calculation history contents using f and c.
1 + 1 = 2 2 + 2 = 4 3 + 3 = 6
1 + 1 = 2 + 2 = 3 + 3 =
= 16; –2
4
= –16
Note: Calculation history data is all cleared whenever you press O,
when you change to a different calculation mode, or whenever you
initialize modes and settings.
k
Replay
(Not included on the fx-82SX PLUS)
While a calculation result is on the display, you can press d or e
to edit the expression you used for the previous calculation.
4 × 3 + 2.5 = 14.5
4 × 3 − 7.1 = 4.9
(Continuing) dYYYY- 7.1 =
2 $ 3 + 1 $ 2 =
1{1{6.
k
Answer Memory (Ans)
The last calculation result obtained is stored in Ans (answer) memory.
Ans memory contents are updated whenever a new calculation
result is displayed.
To divide the result of 3 × 4 by 30
123 + 456 = 579
789 – 579 = 210
150 * 20 1=(%)
30.
k
Variables (A, B, C, D, E, F, X, Y)
(fx-82MS/85MS/300MS/350MS only)
660 / 880 1=(%)
75.
Your calculator has eight preset variables named A, B, C, D, E, F,
X, and Y.
2500 * 15 1=(%)+
To assign the result of 3 + 5 to variable A
2875.
To multiply the contents of variable A by 10
3500 * 25 1=(%)-
2625.
(Continuing) Sy(A) * 10 =
To recall the contents of variable A
a-(A)** 20 1=(%)-
800.
To clear the contents of variable A
k
Independent Memory (M)
You can add calculation results to or subtract results from independent
memory. The "M" appears on the display when there is any value
other than zero stored in independent memory.
300+500!=(%)
160.
To clear the contents of M
fx-82MS/85MS/300MS/350MS:
46 -40 !=(%)
15.
fx-82SX PLUS/220 PLUS:
To add the result of 10 × 5 to M
To subtract the result of 10 + 5 from M
(Continuing) 10 + 5 1l(M–)
To recall the contents of M
fx-82MS/85MS/300MS/350MS:
3°0°0.
fx-82SX PLUS/220 PLUS:
Note: Variable M is used for independent memory.
2 $ 15 $ 18 $=$
2.255
k
Clearing the Contents of All Memories
2°15°18.
Independent memory and variable contents are retained even if you
press A, change the calculation mode, or turn off the calculator.
(fx-82MS/85MS/300MS/350MS only)
Perform the following procedure when you want to clear the contents
of all memories.
fx-82MS/85MS/300MS/350MS: p!,(CLR) 1(Mcl) =
fx-82SX PLUS/220 PLUS: pr1(Mcl) =
3 + 3 Sr(:) 3 * 3 =
6.
14. Function Calculations
Disp
=
9.
π π : π is displayed as 3.141592654, but π = 3.14159265358980 is
used for internal calculations.
e
(fx-82MS/85MS/300MS/350MS only) :
e
2.718281828, but
= 2.71828182845904 is used for internal
calculations.
−1
−1
sin, cos, tan, sin
, cos
, tan
the angle unit before performing calculations. See
1234 =W
1.234×10
3
sinh, cosh, tanh, sinh
−1
, cosh
W
1234.×10
0
angle unit setting does not affect calculations. See
r
g
°,
,
: These functions specify the angle unit. ° specifies degrees,
r
g
radians, and
grads. Input a function from the menu that appears
(Not included on the fx-82SX PLUS)
when you perform the following key operation: 1G(DRG ').
See
.
3
x
x
e
10
,
: Exponential functions. See
log : Logarithmic function. See
e
6.
ln : Natural logarithm to base
y
x
(Scrolls back.) f
4.
x
2
x
3
x
), '
' ,
3
' ,
'
'
' ,
,
, ^(
(Scrolls back again.) f
2.
reciprocals. See
.
7
Pol, Rec : Pol converts rectangular coordinates to polar coordinates,
while Rec converts polar coordinates to rectangular coordinates.
See
.
8
x
y
r
r
Pol(
,
) = (
, θ)
Rec(
, θ) = (
4 * 3 + 2.5 =
14.5
Rec
Pol
4.9
x
! : Factorial function. See
9
Ran# : Generates a 3-digit pseudo random number that is less than
1. See
.
10
RanInt# (fx-82SX PLUS/220 PLUS only) : For input of the function
a
b
of the form RanInt#(
,
), which generates a random integer within
the range of
a
to
b
. See
.
11
n
P
r
,
n
C
r
: Permutation ( n P r ) and combination ( n C r ) functions. See
3 * 4 =/ 30 =
.
12
Rnd : The argument of this function is made a decimal value and
123 + 456 =
579.
then rounded in accordance with the current number of display digits
210.
(Continuing) 789 -G=
setting (Norm, Fix, or Sci). With Norm 1 or Norm 2, the argument is
rounded off to 10 digits. See
Note: Using functions can slow down a calculation, which may delay
display of the result. To interrupt an ongoing calculation before its
result appears, press A.
k
Examples
v
1 1
sin 30°= 0.5
3 + 5 1t(STO) y(A)
8.
0.5 = 30° v
sin
−1
2 2
sinh 1 = 1.175201194
80.
w1c(cosh
cosh
–1
1 = 0
(Continuing) ty(A)
π /2 radians = 90°, 50 grads = 45°
8.
3 3
(1E( π ) / 2 )1G(DRG ') c(R) =
50 1G(DRG ') d(G) =
0 1t(STO) y(A)
0.
e
× 2 to three significant digits (Sci 3)
4 4
To calculate
5
N
2(Sci) 3
5 5
log 1000 = 3
0 1t(STO) l(M)
0.
0 1n(Min)
0.
(Continuing) 10 * 5 l
50.
15.
(Continuing) tl(M)
35.
35.
(Continuing) n
e
is displayed as
−1
: Trigonometric functions. Specify
.
1
−1
, tanh
−1
: Hyperbolic functions. The
.
2
.
4
.
5
. See
.
6
x
−1
: Powers, power roots, and
x
y
Specify the angle unit
,
)
before performing
calculations.
Calculation result θ is
displayed in the range
θ
of −180°
180°.
.
.
13
s 30 =
0.5
1s(sin
30.
−1
) 0.5 =
ws(sinh) 1 =
1.175201194
−1
) 1 =
0.
v
90.
45.
1i(
x
e
) 5 * 2 =
2.97×10
2
l 1000 =
3.
14.4.21 2:56:15 PM
14.4.21 2:56:15 PM