Texas Instruments TI-84 PLUS - Graphing Calculator - Page 371

Appendix A: Functions and Instructions 364
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)
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.
«
logBASE(value, base) Returns the logarithm of a specifed value determined from
a specified base: logBASE(value, base).

A: logBASE
Logistic [Xlistname,
Ylistname,freqlist,
regequ]
Fits a logistic regression model to Xlistname and Ylistname
with frequency freqlist, and stores the regression equation
to regequ.
…
CALC
B:Logistic
F
unction or
Instruction/Arguments Result
Key or
Keys/Menu or
Screen/Item