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TI-83 Plus Math, Angle, and Test Operations 69
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 ([ ]).