Casio FX-95 User's Guide download pdf (Page 16)

E-15

nPr, nCr : Permutation (nPr) and combination (nCr) functions. See

Rnd : The argument of this function is made a decimal value and then rounded

in accordance with the current number of display digits setting (Norm, Fix, or

Sci). With Norm 1 or Norm 2, the argument is rounded off to 10 digits. With

Fix and Sci, the argument is rounded off to the specified digit. When Fix 3

is the display digits setting, for example, the result of 10 ÷ 3 is displayed

as 3.333, while the calculator maintains a value of 3.33333333333333 (15

digits) internally for calculation. In the case of Rnd(10÷3) = 3.333 (with Fix

3), both the displayed value and the calculator’s internal value become

3.333. Because of this a series of calculations will produce different results

depending on whether Rnd is used (Rnd(10÷3) s 3 = 9.999) or not used (10

÷ 3 s3 = 10.000). See

Note: Using functions can slow down a calculation, which may delay display

of the result. Do not perform any subsequent operation while waiting for the

calculation result to appear. To interrupt an ongoing calculation before its

result appears, press .

Examples

sin 30°= 0.5 1B Q 30  0.5

sin

−1

0.5 = 30° 1B Q(sin

−1

) 0.5  30

sinh 1 = 1.175201194 E@(sinh) 1  1.175201194

cosh

–1

1 = 0 ED(cosh

−1

) 1  0

P/2 radians = 90°, 50 grads = 45° B

(P) 2 (DRG)A(

) 90

50 (DRG)B(

) 45

To calculate e

s2 to three significant digits (Sci 3)

(SETUP)(Sci)

 7() 5 C 2 

2.97×10

1 7() 5  2  2.97×10

log

1000 = log 1000 = 3 : 1000  3

log

16 = 4 : 2 (,) 16  4

  2 C 16  4

To calculate ln 90 (= log

90) to three significant digits (Sci 3)

(SETUP)(Sci) 7 90 

4.50×10

1.2 s10

= 1200  1.2  10  3  1200

(1+1)

2+2

= 16   1  1  2  2  16

)

= 15625  5 V  15625

= 2  () 5 C 32  2

1 5() 32  2

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 31 32

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Casio FX-95 User's Guide Page 16

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