Texas Instruments TI-84 Plus Guide Book

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

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-