Texas Instruments TI-84 Plus Manual Book page 589

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