Operation Manual

Appendix A: Functions and Instructions 358
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[,erase#,
color#,linestyle#])
Draws a line from (X1,Y1) to (X2,Y2) with the following
options: erase #: 1,0, color #: 10-24, and line style #: 1-
4.
y <
DRAW
2:Line(
Line(
X1,Y1,X2,Y2,0
[,line#])
Erases a line (erase #: 1,0) 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)
LinRegTInt
[Xlistname,
Ylistname,freqlist,
confidence level, regequ
]
Performs a linear regression and computes the t
confidence interval for the slope coefficient b.
† …
TESTS
G:LinRegTInt
LinRegTTest
[Xlistname,
Ylistname,freqlist,
alternative,regequ]
Performs a linear regression and a t-test. alternative=L1
is <; alternative=0 is ƒ; alternative=1 is >.
† …
TESTS
F:LinRegTTest
@List(list)
Returns a list containing the differences between
consecutive elements in list.
y 9
OPS
7:@List(
List
4 matr(listname1,...,
listname n,matrixname)
Fills matrixname column by column with the elements
from each specified
listname.
y 9
OPS
0:List 4 matr(
ln(
value)
Returns the natural logarithm of a real or complex
number, expression, or list.
μ
LnReg [Xlistname,
Ylistname,freqlist,
regequ]
Fits a logarithmic regression model to
Xlistname and
Ylistname with frequency freqlist, and stores the
regression equation to
regequ.
…
CALC
9:LnReg
log(
value)
Returns logarithm of a real or complex number,
expression, or list.
«
l
ogBASE(value, base)
Returns the logarithm of a specifed value determined
from a specified base: logBASE(value, base).

A: logBASE
F unction or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item