Texas Instruments TI-84 Plus Guide Book

Appendix A: Functions and Instructions 586
invT(area,df) Computes the inverse
cumulative student-t
probability function
specified by degree of
freedom, df for a given area
under the curve.
y =
DISTR
4:invT(
iPart(value) Returns the integer part of
a real or complex number,
expression, list, or matrix.

NUM
3:iPart(
irr(CF0,CFList[,CFFreq]) Returns the interest rate at
which the net present value
of the cash flow is equal to
zero.
Π1:Finance
CALC
8:irr(
:IS>(variable,value)
:commandA
:commands
Increments variable by 1;
skips commandA if
variable>value.
† 
CTL
A:IS>(
isClockOn Identifies if clock is ON or
OFF. Returns 1 if the clock
is ON. Returns 0 if the
clock is OFF.
y N
isClockOn
Ùlistname
Identifies the next one to
five characters as a user-
created list name.
y 9
OPS
B:
Ù
LabelOff Turns off axes labels.
†
y .
LabelOff
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	-