Casio Calculator FX-300ESPLUS User Manual

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E-27
x
2
| x | Ͻ 1 × 10
50
x
–1
| x | Ͻ 1 × 10
100
; x G 0
3
'
x
|
x | Ͻ 1 × 10
100
x !
0 Ϲ
x Ϲ 69 ( x is an integer)
n P r
0 Ϲ
n Ͻ 1 × 10
10
, 0 Ϲ r Ϲ n ( n , r are integers)
1 Ϲ {
n !/( n – r )!} Ͻ 1 × 10
100
n C r
0 Ϲ
n Ͻ 1 × 10
10
, 0 Ϲ r Ϲ n ( n , r are integers)
1 Ϲ n !/ r ! Ͻ 1 × 10
100
or 1 Ϲ n !/( n – r )! Ͻ 1 × 10
100
Pol( x , y )
|
x | , | y | Ϲ 9.999999999 × 10
99
x
2
+
y
2
Ϲ 9.999999999 × 10
99
Rec( r , Ƨ )
0 Ϲ
r Ϲ 9.999999999 × 10
99
, Ƨ : Same as sin x
°’ ”
|
a | , b , c Ͻ 1 × 10
100
; 0 Ϲ b , c The display seconds value
is subject to an error of ±1 at the second decimal place.
|
x | Ͻ 1 × 10
100
Decimal ↔ Sexagesimal Conversions
0°0´0˝ Ϲ | x | Ϲ 9999999°59´59˝
x
y
x Ͼ 0: –1 × 10
100
Ͻ y log x Ͻ 100
x = 0: y Ͼ 0
x Ͻ 0: y = n ,
m
2
n
+1
( m , n are integers)
However: –1 × 10
100
Ͻ y log | x | Ͻ 100
x
'
y
y Ͼ 0: x G 0, –1 × 10
100
Ͻ 1/ x log y Ͻ 100
y = 0: x Ͼ 0
y Ͻ 0: x = 2 n +1,
2
n
+1
m
( m G 0; m , n are integers)
However: –1 × 10
100
Ͻ 1/ x log | y | Ͻ 100
a
b
/
c
Total of integer, numerator, and denominator must be 10
digits or less (including division marks).
RanInt#(
a , b )
a Ͻ b ;
|
a
|
,
|
b
|
Ͻ 1 × 10
10
; b – a Ͻ 1 × 10
10
• Precision is basically the same as that described under “Calculation Range
and Precision”, above.
•
x
y
,
x
'
y
,
3
', x !, n P r , n C r 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 π form when using
Natural Display is |
x | Ͻ 10
6
. Note, however, that internal calculation error
can make it impossible to display some calculation results in π form. It also
can cause calculation results that should be in decimal form to appear in
π form.
Errors
The calculator will display an error message whenever an error occurs for
any reason during a calculation. There are two ways to exit an error message
display: Pressing d or e to display the location of the error, or pressing
A to clear the message and calculation.

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