Texas Instruments TI-83 Guide Book

Tables and Reference Information A-9
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 9 of 58
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
fMax(
expression
,
variable
,
lower
,
upper
[
,
tolerance
]
)
Returns the value of
variable
where the local maximum of
expression
occurs, between
lower
and
upper
, with
specified
tolerance
.

MATH
7:fMax(
2
-
6
fMin(
expression
,
variable
,
lower
,
upper
[
,
tolerance
]
)
Returns the value of
variable
where the local minimum of
expression
occurs, between
lower
and
upper
, with
specified
tolerance
.

MATH
6:fMin(
2
-
6
fnInt(
expression
,
variable
,
lower
,
upper
[
,
tolerance
]
)
Returns the function integral o
f
expression
with respect to
variable
, between
lower
and
upper
, with specified
tolerance
.

MATH
9:fnInt(
2
-
7
FnOff
[
function#
,
function#
,...,
function n
]
Deselects all
Y=
functions or
specified
Y=
functions.

Y-VARS On/Off
2:FnOff
3
-
8
FnOn
[
function#
,
function#
,...,
function n
]
Selects all
Y=
functions or
specified
Y=
functions.

Y-VARS On/Off
1:FnOn
3
-
8
:For(
variable
,
begin
,
end
[
,
increment
]
)
:
commands
:End
:
commands
Executes
commands
through
End
, incrementing
variable
from
begin
by
increment
until
variable
>
end
.
†

CTL
4:For(
16
-
10
fPart(
value
)
Returns the fractional part or
parts of a real or complex
number, expression, list, or
matrix.

NUM
4:fPart(
2
-
14
10
-
11
Ü
pdf(
x
,
numerator df
,
denominator df
)
Computes the
Û
distribution
probability between
lowerbound
and
upperbound
for the specified
numerator df
(degrees of freedom) and
denominator df
.
y
[
DISTR
]
DISTR
8:
Û
pdf(
13
-
32

Texas Instruments TI-83 Specifications

General

Programming	TI-BASIC
Processor	Zilog Z80, 6 MHz
Weight	7.4 oz (210 g)
Display	96x64 pixels, monochrome LCD
Power Source	4 AAA batteries, 1 CR1616 or CR1620 for backup
Memory	32 KB RAM
Connectivity	2.5mm I/O port for linking with other TI calculators