Owner's Manual

TI-89 / TI-92 Plus Calculus Tools Page 32
Use F6 2:Comp. Error Function to display the problem-entry
dialog box and example for this function.
fourirCf
(expression, var, lowerLimit, upperLimit, n)
Returns the truncated Fourier series of
expression
for
var
from
lowerLimit
to
upperLimit
, through the
n
th harmonic.
Use F6 4:Fourier Series to display the problem-entry dialog
box and example for this function.
gamma
(complexNumber)
Returns the approximate gamma function of
complexNumber
.
Use F6 3:Gamma Function,
Γ
(z)
to display the problem-entry
dialog box and example for this function.
grad
(expression, VarList)
Returns the rectangular Cartesian
n
-dimensional gradient of
expression
with respect to the
n
coordinate variables in
VarList
.
Use F5 1:Gradient to display the problem-entry dialog box
and example for this function.
impDifN
(equation, IndependentVar, DependentVar, n)
Returns the
n
th derivative of the function implicitly defined by
equation
.
Use F2 4:Implicit Derivative to display the problem-entry
dialog box and example for this function.