Casio fx-9860G AU PLUS, Руководство пользователя

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k k k k k
Σ
Calculations
[OPTN] - [CALC] - [
Σ
]
To perform
Σ
calculations, first display the function analysis menu, and then input the values
using the syntax below.
K 4
(CALC)
6
(
g
)
3
(
Σ
( )
a
k
, k ,
α
,
β
, n )
○ ○ ○ ○ ○
Example To calculate the following:
Use n =
1
as the distance between partitions.
A K 4
(CALC)
6
( g )
3
(
Σ
( )
a ,
(K)
x -d a ,
(K)
+f,
a ,
(K)
,c,g,b) w
<Math>
A4 (MATH) 6 ( g ) 2 (
Σ
( ) a , (K)
x -d a , (K) +f e
a , (K) e c f g w
2-5-10
Numerical Calculations
6
Σ
(
k
2 – 3
k
+ 5)
k = 2
# The value of the specified variable changes
during a
Σ
calculation. Be sure to keep
separate written records of the specified
variable values you might need later before
you perform the calculation.
# You can use only one variable in the function for
input sequence
a
k
.
# Input integers only for the initial term (
α
) of
sequence
a
k
and last term (
β
) of sequence
a
k
.
# Input of
n
and the closing parentheses can be
omitted. If you omit n , the calculator automati-
cally uses
n
= 1.
# In the Math input mode, the distance between
partitions (
n
) is fixed at 1 and cannot be
changed.
β
Σ
(
a
k
, k ,
α
,
β
, n )
=
Σ
a
k
= a
α
+
a
α
+1
+........+
a
β
k =
α
(
n
: distance between partitions)
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