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E-25 – Casio fx-92B Collège 2D+ User Manual

Page 26

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E-25

tan

x

DEG

Same as sin

x

, except when

\

x

\ = (2

n

–1)

s

RAD

Same as sin

x

, except when

\

x

\ = (2

n

–1)

s

GRA

Same as sin

x

, except when

\

x

\ = (2

n

–1)

s

Asn

x

0

\

x

\

Acs

x

Atn

x

0

\

x

\

99

log

x

/ln

x

0

x

99

10

x

–9.999999999

s

99

x

99.99999999

e

x

–9.999999999

s

99

x

230.2585092

'

x

0

x

1 s

100

x

2

\

x

\

50

x

–1

\

x

\

100

;

x

& 0

3

'

x

\

x

\

100

x

!

0

x

69 (

x

is an integer)

Pol(

x

,

y

)

\

x

\, \

y

\

99

x

2

+

y

2

99

Rec(

r

, θ)

0

r

99

θ

: Same as sin

x

°’ ”

\

a

\,

b

,

c

1 s

100

; 0

b

,

c

The display seconds value is subject to an error of ±1 at
the second decimal place.

\

x

\

100

Decimal

j Sexagesimal Conversions

0°0

´

0

˝

\

x

\

´

59

˝

x

y

x

100

y

log

x

x

y

x

y

=

n

,

m

2

n

+1

(

m

,

n

are integers)

However: –1

s

100

y

log

\

x

\

x

'

y

y

x

& 0, –1 s

100

x

log

y

y

x

y

x

= 2

n

+1, 2

n

+1

m

(

m

& 0;

m

,

n

are integers)

However: –1

s

100

x

log

\

y

\

d

/

c

Total of numerator, and denominator must be 10 digits or
less (including division marks).

RanInt#(

a

,

b

)

a

b

; \

a

\, \

b

\

10

;

b

a

10

• Precision is basically the same as that described under “Calculation Range

and Precision”, above.

x

y

,

x

'

y

,

3

,

x

! type functions require consecutive internal calculation, which

can cause accumulation of errors that occur with each calculation.

• Error is cumulative and tends to be large in the vicinity of a function’s singular

point and inflection point.

• The range for calculation results that can be displayed in

P form when using

Natural Display is |

x

|

10

6

. Note, however, that internal calculation error

can make it impossible to display some calculation results in

P form. It also

can cause calculation results that should be in decimal form to appear in

P

form.

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