Texas Instruments -84 Plus, Manual Book

Page: 589 / 696

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.
Œ
1: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
Ù
listname
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
Function or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item