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