Summation (Σ) Calculations - Casio FX-9750G PLUS User's Manual & Technical Reference

3-6 Summation (Σ) Calculations
To perform Σ calculations, first display the function analysis menu, and then input
the values shown in the formula below.
Σ calculation is the calculation of the partial sum of sequence
following formula.
k k k k k Example Σ Calculation
Input sequence
Input variable used by sequence
Input the initial term of sequence
Input
6(g)3(Σ()
Σ
a , k, α , β , n) ⇒
(
k
a a
S = +
α α
+1
Example To calculate the following:
6
Σ
k
( 2 – 3
k = 2
n
Use =
a
.
k
AK4(CALC)6(g)3(Σ()aKx-daK+f,
aK,
c,g,
n
.
b)
w
α
a k
, , ,
k
β
Σ
a
k
k = α
β
Σ
a a
+........+ =
β
k
k = α
k
+ 5)
as the distance between partitions.
1
a
.
k
a
and last term of sequence
k
[OPTN]-[CALC]-[Σ(]
β
n
, )
Distance between partitions
Last term of sequence
Initial term of sequence
Variable used by sequence
a
, using the
k
a
a
k
a
k
a
k
.
k
65