HP 49g+ User Manual page 510

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
⋅ 2 ⋅ ⋅ π ⋅

i n X
⋅ −

EXP

T
Page 16-36

⋅ 
dX
