Texas Instruments TI-80 - F

Tables and Reference Information A-5
EXPREG
Xlistname
,
Ylistname
Fits
Xlistname
and
Ylistname
to the
exponential model.
(I)
A
CALC
á
EXPREG
â
9
-
16
EXPREG
Xlistname
,
Ylistname
,
freqlistname
Fits
Xlistname
and
Ylistname
to the
exponential model
with frequency
f
reqlistname
.
(I)
A
CALC
á
EXPREG
â
9
-
16
Factorial:
value
!
Returns the factorial of
value
(0

integer

69).
(F)
I
PRB
á
!
â
2
-
13
Factorial:
list
!
Returns a list containing
the factorial for each
list
element (0 ≤ integers ≤
69).
(F)
I
PRB
á
!
â
2
-
13
FIX
n
Sets fixed-decimal display
mode for
n
decimal
places.
(I)
†
3
á
FIX
â
1
-
10
FLOAT
Sets floating-decimal
display mode.
(I)
†
3
á
FLOAT
â
1
-
10
FNOFF
Deselects all
Y=
functions.
(I)
2 G
ON/OFF
á
FNOFF
â
4
-
8
FNOFF
function#
,
function#
,
. . .
Deselects
function#
,
f
unction#
, . . .
(I)
2 G
ON/OFF
á
FNOFF
â
4
-
8
FNON
Selects all
Y=
functions.
(I)
2 G
ON/OFF
á
FNON
â
4
-
8
FNON
function#
,
function#
,
. . .
Selects
function#
,
f
unction#
, . . .
(I)
2 G
ON/OFF
á
FNON
â
4
-
8
FOR(
variable
,
begin
,
end
)
:
commands
. . .
:END
Executes
commands
through
END
,
incrementing
variable
from
begin
by 1 until
variable
>
end
.
(I)
†
K
CTL
á
FOR(
â
10
-
9
FOR(
variable
,
begin
,
end
,
increment
)
:
commands
. . .
:END
Executes
commands
through
END
,
incrementing
variable
from
begin
by
increment
until
variable
>
end
.
(I)
†
K
CTL
á
FOR(
â
10
-
9