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2-4-15
Function Calculations
k
Gamma Function
The Gamma function is called “gamma” on the ClassPad.
For an integer
n
the gamma is evaluated as shown below.
The gamma is defined for all real numbers excluding negative integers. It is also defined for
all complex numbers where either the real or imaginary part of the complex number is not an
integer.
Gamma of a symbolic expression returns unevaluated.
Syntax:
gamma(
x
)
x
: variable or number
Examples:
(
n
– 1) !,
n
>
0
G
(
n
) =
{
undened
,
n
<
0
∫
+∞
0
t
x–1
e
–t
dtΓ(x) =