Statistical calculations (stat) – Casio FX-82AU PLUS User Manual

Page 16

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E-15

To convert rectangular coordinates (

'

2

,

'

2

) to polar coordinates

B

  (Pol)

r=2,θ=45

1  (Pol)

r= 2

θ

= 45

To convert polar coordinates (

'

2

, 45°) to rectangular coordinates

B

  (Rec)

X=1, Y=1

(5 + 3) ! = 40320

 5 3 1

40320

|2 – 7|

s 2 = 10



 2 7 C 2 

10

1

 2 7  2 

10

To obtain three random three-digit integers

1000

 (Ran#)

459



48



117

(Results shown here are for illustrative purposes only. Actual results will differ.)

To generate random integers in the range of 1 to 6

(RanInt) 1 (,) 6 

2



6



1

(Results shown here are for illustrative purposes only. Actual results will differ.)

To determine the number of permutations and combinations

possible when selecting four people from a group of 10

Permutations:

10

 (nPr) 4 

5040

Combinations:

10

(nCr) 4 

210

To perform the following calculations when Fix 3 is selected for the

number of display digits: 10 ÷ 3

s 3 and Rnd(10 ÷ 3) s 3 1

(SETUP)(Fix)

10

 3 3 

10.000

(Rnd) 10  3  3 

9.999

Statistical Calculations (STAT)

To start a statistical calculation, perform the key operation

(STAT)

to enter the STAT Mode and then use the screen that appears to select the
type of calculation you want to perform.

To select this type of statistical calculation:

(Regression formula shown in parentheses) Press this key:

Single-variable (X)

(1-VAR)

Paired-variable (X, Y), linear regression (

y

= A + B

x

)

(A+BX)

8

8

9

9

10

10

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