Appendix A: Functions and Instructions 587
LabelOn Turns on axes labels. y .
LabelOn
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)
F
unction or
Instruction/Arguments
Result Key or
Keys/Menu or
Screen/Item