Casio fx-9860G SD - Manual (Page 105)

20050401
u Σ Calculation Applications
• Arithmetic operations using
Σ calculation expressions
Expressions:
Possible operations: S
n
+ T
n
, S
n
– T
n
, etc.
• Arithmetic and function operations using
Σ calculation results
2
× S
n
, log (S
n
), etc.
• Function operations using
Σ calculation terms (a
k
, k)
Σ (sink, k, 1, 5), etc.
2-5-11
Numerical Calculations
n n
S
n
=
Σ
a
k
, T
n
=
Σ
b
k
k = 1 k = 1
# You cannot use a differential, quadratic
differential, integration,
Σ, maximum/minimum
value, Solve, RndFix or log ab calculation
expression inside of a
Σ calculation term.
# Make sure that the value used as the final term
β
is greater than the value used as the initial
term
α
. Otherwise, an error will occur.
# To interrupt an ongoing
Σ calculation (indicated
when the cursor is not on the display), press the
A key.