Using Scientific Calculator

CASIO Scientific Calculator fx-570 MS

MODE

• COMP : Basic Arithematic• SD : Statistics• EQN : 1 Deg 2 Rad• 1 : FIX – decimal place• 2 : SCI – standard form• 3 : NORM – back to ‘default’

• White : press on• Orange : press SHIFT• Pink : press ALPHA• Green : Number Base

Key Pad Instruction

RESET

SHIFT CLR

3 = =

To “Clear” data/input/

mode/memory

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Power with fraction

43

6 = 3.833658625

)

6 =^ ab/c( 3 4

6 =^ ab/c3 4 54

( )

a b/c a b/c1 =32

SHIFT d/c

Mixed Number

Improper Fraction

Conversion

35

321

Decimal numbers Fraction

1.6 a b/c=5316.1

413525.35 35.25 a b/c=

(a)

(b)

Number of Decimal Places

Press MODE Fix press 1

On screen Fix 0 ~ 9 ?

Chose the number of decimal places required:

Press 3

CLEAR : SHIFT CLR

Mcl Mode All

1 2 3On screen :

Press : 2

On screen : Mode clear- - - - - - - - -

=

Number of the Significant Figures

Press MODE Sci Press 2

On screen 1000.0 00

Press 3

On screen Sci 0 ~ 9 ?

CLEAR : SHIFT CLR Mcl Mode All

1 2 3On screen

Press 2

On screen Mode clear- - - - - - - - -

=

1.25 radian ? degree

Convert Radian to DegreeDefault mode or Choose MODE Deg

1.25 SHIFT DRG 2

On screen 1.25r

=press 71.61972439o

’ ”press 71 3711.01

Choose MODE Rad

=Press

0.523598775r

Convert Degree to Radian

30 ? radian

30 SHIFT DRG 1

On screen 30

CLEAR : SHIFT CLR Mcl Mode All

1 2 3On screen

Press 2

On screen Mode clear- - - - - - - - -

=

Trigonometry

Given sin x = 0.5678 , find x

34.59695511

=sin 0.5678SHIFT

’’’

34o35o 49.04

Choose MODE SD

SHIFT CLR

On screen Stat clear-------------

Press 1

Scl Mode All

1 2 3On screen

=

Press

Key-in the data : 55, 54, 51, 55, 53, 54, 52

Press Screen Display

55 M+

51 M+

54 M+

55 M+

53 M+

54 M+

52 M+

n= 1n= 2n= 3n= 4n= 5n= 6n= 7

PRESS SCREEN DISPLAY

SCREEN DISPLAY

3 = 7n nxx 2

1 2 3

SHIFTS-Sum

1

SHIFT1

SHIFT1

2 =374

x nxx 2

1 2 3

1 =19996

2 x nxx 2

1 2 3

Press Screen Display Press Screen Display

1 =1 2 31nxnxx SHIFT

S-Var2

SHIFT2

2 =1 2 3

1nxnxx

1.3997nx

4286.53x

On screen Stat clear- - - - - - - - -

Press : 1

CLEAR Previous data

Scl Mode All

1 2 3On screen

=

SHIFT CLRPress :

score ( x ) frequency ( f )10 2

11 4

12 3

13 6

14 5

15 2

Key in the data :

Press (x) f

M+

M+

SHIFT ;SHIFT ;

2n

6n

22n

4

21011

M+

M+

M+

M+

SHIFT ;SHIFT ;SHIFT ;SHIFT ;

12131415

3652

On screen freq1=2

Press : Arrow key again

TO EDIT DATA

x1= 10

On screen

Arrow keyPress :

To edit, press the correct value and then press = .

x f f

10 100 2 200

11 121 4 484

12 144 3 432

13 169 6 1014

14 196 5 980

15 225 2 450

2x 2x

35602fx

When you entered frequencies,

2x

fn

22 fxx

fxx

When frequencies are involved,

On screen Stat clear- - - - - - - - -

Press : 1

CLEAR DATA

Scl Mode All

1 2 3On screen

=

SHIFT CLRPress :

Probability DIstribution

Probability )( zZP

0 z

Press

SHIFT DISTR

Display P ( Q ( R ( t 1 2 3 4

Press 3DisplayR ( 0

Probability )( zZP

0z

Press

SHIFT DISTR

Display P ( Q ( R ( t 1 2 3 4

Press 1DisplayP ( 0

Press

SHIFT DISTRDisplay

P ( Q ( R ( t 1 2 3 4

)35.1( ZP)35.1( ZP

Press 3R ( 0Display

Press 1P ( 0

0 35.135.1P R

R (1.35 = 0.08851

Press 3

Press 1 P (-1.35 = 0.08851

Press SHIFT DISTR0 35.135.1

P R

Press SHIFT DISTR

)05.245.0( ZP

0 05.245.0

0 05.2 0 45.0

)45.0( ZP )05.2( ZPR (2.05 = 0.02018

Press 3

R (0.45 = 0.32636

SHIFT DISTR

0 5.12.1

Q (-1.2= 0.38493

Press 2

Q (1.5 = 0.43319

SHIFT DISTR)5.12.1( zP

MODE (3X) : EQN MAT VCT 1 2 3

On screen : Unknowns? 2 3

On screen : Degree? 2 3

QUADRATIC EQUATIONS 3 CUBIC EQUATIONS

2

Press the right arrow

Press = : x2= -6

01242 xx press 1 =

Press 2

press 4 =

press ( - ) 12 =

a?On screen :

b?On screen :

c?On screen :

On screen : x1= 2 First solution

Second solution

01122 xx press 1 = press 2 = press 11 =

a?On screen :

b?On screen :c?On screen :

On screen : x1= - 1R

Press = : x2= - 1R

Complex numberThe quadratic equation has NO real ROOT.

x2= - 3.15227766 i

Press SHIFT =

Press : 2

CLEAR Mode: SHIFT CLR

Scl Mode All 1 2 3

On screen

OR Press MODE (1x)On screen COMP CMPLX

1 2

=

2 two simultaneous equations3 three simultaneous equations

EQN MAT VCT 1 2 3

On screen : Unknowns? 2 3

Equations must be arrange as ax + by = c

MODE (3X) :

Solve the simultaneous equations 2x + y = 4 x – y = 5

a1?b1?c1?

2 = 1 = 4 =

a2?b2?c2? 5 =

(-) 1 = 1 =

Unknowns? 2 3

On screen : x = 3

Press = : y = - 2

TO LEAVE THE MODE

Press Shift MODE = 2MODE

Or

1COMP

Press MODE

Given 3x2+ 5x. Find when x = 2

17

=

SHIFT 3 ALPHA X 2xdx

ALPHA X 2+ 5 ٫

dxdy

x and y are two variables

x 1 3 4 5 6

y 6.0 10.0 13.5 18.0 23.5

Press : Mode 2x

On screen SD REG BASE

Press : 2

On screen Lin Log Exp

Press : 1

Enter valuesSetup

Press 1 ,

6

M+

Press 3 ,

10

M+

Press 4 , 13.5 M+

Enter the other values then press AC.

Press Shift 2 , press right arrow key (2x) press 1 = the gradient [A] Press Shift 2 , press right arrow key (2x) press 2 = the y-intercept [B]

The Result A B r