Casio fx-82ZA PLUS User's Guide download pdf (Page 17)

E-16

Examples

sin 30°= 0.5 bv s 30 )= 0.5

sin

−1

0.5 = 30° bv 1s(sin

−1

) 0.5 )= 30

sinh 1 = 1.175201194 wb(sinh) 1 )= 1.175201194

cosh

–1

1 = 0 wf(cosh

−1

) 1 )= 0

π /2 radians = 90°, 50 grads = 45° v

(15( π ) / 2 )1G(DRG ') c(

) = 90

50 1G(DRG ') d(

) = 45

To calculate e

× 2 to three significant digits (Sci 3)

1N(SETUP) 7(Sci) 3

B 1i( %) 5 e* 2 =

2.97×10

b 1i( %) 5 )* 2 = 2.97×10

log

1000 = log 1000 = 3 l 1000 )= 3

log

16 = 4 l 2 1)(,) 16 )= 4

B & 2 e 16 = 4

To calculate ln 90 (= log

90) to three significant digits (Sci 3)

1N(SETUP) 7(Sci) 3 i 90 )= 4.50×10

1.2 × 10

= 1200 B 1.2 * 10 6 3 = 1200

(1+1)

2+2

= 16 B ( 1 + 1 )6 2 + 2 = 16

)

= 15625 ( 5 x)W= 15625

= 2 B 16(") 5 e 32 = 2

b 5 16(") 32 )= 2

To calculate

(= 3

= 4.242640687...) to three decimal

places (Fix 3)

1N(SETUP) 6(Fix) 3 B ! 2 e* 3 =

1= 4.243

b ! 2 )* 3 = 4.243

To convert rectangular coordinates (

) to polar coordinates

B 1+(Pol) ! 2 e1)(,) ! 2 e)= r=2,  =45

b 1+(Pol) ! 2 )1)(,) ! 2 ))= r= 2

 = 45

To convert polar coordinates (

, 45°) to rectangular coordinates

B 1-(Rec) ! 2 e1)(,) 45 )=

X=1, Y=1

(5 + 3) ! = 40320 ( 5 + 3 )1E( x !) = 40320

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Casio fx-82ZA PLUS User's Guide Page 17

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