Texas Instruments TI-83 PLUS - Manual (Page 672)

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 , freqlist ,
regequ ]
Fits a linear regression model to
Xlistname and Ylistname with
frequency freqlist , and stores the
regression equation to regequ .
…
CALC
8:LinReg(a+bx)
LinReg(ax+b) [ Xlistname ,
Ylistname , freqlist ,
regequ ]
Fits a linear regression model to
Xlistname and Ylistname with
frequency freqlist , and stores the
regression equation to regequ .
…
CALC
4:LinReg(ax+b)
LinRegTTest [ Xlistname ,
Ylistname , freqlist ,
alternative , regequ ]
Performs a linear regression and a
t -test. alternative = L 1 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(