Texas Instruments TI-83 Manual Book page 672

Function or Instruction/
Arguments
label
Lbl
valueA,valueB
lcm(
length( string )
X1 Y1 X2 Y2
Line( , , ,
X1 Y1 X2 Y2
Line( , , ,
Xlistname
LinReg(a+bx) [
Ylistname freqlist
,
regequ
]
Xlistname
LinReg(ax+b) [
Ylistname freqlist
,
regequ
]
Xlistname
LinRegTTest [
Ylistname freqlist
,
alternative regequ
,
@List( list
)
TI-83 Plus Tables and Reference Information
Result
Creates a
characters.
) Returns the least common multiple of
valueA
real numbers or lists.
Returns the number of characters in
string
.
) Draws a line from (
,0) Erases a line from (
X2 Y2
( ,
, Fits a linear regression model to
Xlistname
,
frequency
regression equation to
, Fits a linear regression model to
Xlistname
,
frequency
regression equation to
, Performs a linear regression and a
t
, -test.
alternative
]
Returns a list containing the
differences between consecutive
elements in
label
of one or two
valueB
and , which can be
X1 Y1
,
X1 Y1
,
).
Ylistname
and
freqlist
, and stores the
regequ
Ylistname
and
freqlist
, and stores the
regequ
alternative
=L1 is <;
=0 is ƒ; alternative
list
.
Key or Keys/
Menu or Screen/Item
† 
CTL
9:Lbl

NUM
8:lcm(
y N
length(
y <
X2 Y2
) to ( , ).
DRAW
2:Line(
y <
) to
DRAW
2:Line(
...
with
CALC
8:LinReg(a+bx)
.
...
with
CALC
4:LinReg(ax+b)
.
† ...
TESTS
=1 is >. E:LinRegTTest
y 9
OPS
7:@List(
669