Chapter 2: Math, Angle, and Test Operations
40
x
‡
(Root)
x
‡
(
x
th
root) returns the
x
th
root
of
value
. You can use
x
‡
with real or complex numbers, expressions,
and lists.
x
th
root
x
‡
value
fMin(, fMax(
fMin(
(function minimum) and
fMax(
(function maximum) return the value at which the local
minimum or local maximum value of
expression
with respect to
variable
occurs, between
lower
and
upper
values for
variable
.
fMin(
and
fMax(
are not valid in
expression
. The accuracy is controlled by
tolerance
(if not specified, the default is 1
â
L
5).
fMin(
expression
,
variable
,
lower
,
upper
[
,
tolerance
]
)
fMax(
expression
,
variable
,
lower
,
upper
[
,
tolerance
]
)
Note:
In this guidebook, optional arguments and the commas that accompany them are enclosed
in brackets ([ ]).
MathPrint™
Classic
nDeriv(
nDeriv(
(numerical derivative) returns an approximate derivative of
expression
with respect to
variable
, given the
value
at which to calculate the derivative and
H
(if not specified, the default is
1
â
L
3).
nDeriv(
is valid only for real numbers.
