Casio ALGEBRA FX 2.0 Manual Calculations - Manual (Page 37)

19990401
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
shown in the formula below.
K4(CALC)e(Σ) a
k
, k , α , β , n )
○ ○ ○ ○ ○
Example To calculate the following:
Use n = 1 as the distance between partitions.
AK4(CALC)e(Σ)a,(K)x
-d
a,(K)+f,
a,(K),c,g,b)w
2-5-10
Numerical Calculations
6
Σ ( k 2 – 3 k + 5)
k = 2
# 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.
β
Σ ( a
k
, k, α, β, n) = Σ a
k
= a
α
+ a
α +1
+........+ a
β
k = α
( n : distance between partitions )