HP F2226A - 48GII Graphic Calculator User Manual page 514

The calculator returns an integral that cannot be evaluated numerically
because it depends on the parameter n.
calculated by typing its definition in the calculator, i.e.,
1 ⋅ 2 ⋅

i
1
⋅ ⋅ −

X EXP
2

0
where T = 2 is the period. The value of T can be stored using:
Typing the first integral above in the Equation Writer, selecting the entire
expression, and using @EVAL@, will produce the following:
π
in
Recall the e = cos(nπ) + i⋅sin(nπ) = (-1)
result above we have:
The coefficient can still be
⋅ π ⋅

n X
⋅  +
dX

T
1
2
⋅ 2 ( − X )
2
1
n
. Performing this substitution in the
i ⋅ 2 ⋅ n ⋅ π ⋅ X

⋅ EXP −

T

Page 16-36

⋅  dX
