Operation Manual

Appendix A: Functions and Instructions 357
IndpntAuto
Sets table to generate independent-variable values
automatically.
† y -
Indpnt: Auto
Input
Displays graph. † 
I/O
2:Input
Input
[variable]
Input ["text",variable]
Prompts for value to store to
variable.
† 
I/O
2:Input
Input
[Strn,variable]Displays Strn and stores entered value to variable.
† 
I/O
2:Input
inString(
string,substring
[,start])
Returns the character position in string of the first
character of
substring beginning at start.
y N
inString(
int(
value)
Returns the largest integer  a real or complex
number, expression, list, or matrix.

NUM
5:int(
GInt(pmt1,pmt2
[,roundvalue])
Computes the sum, rounded to roundvalue, of the
interest amount between
pmt1 and pmt2 for an
amortization schedule.
Œ
1:Finance
CALC
A:
GInt(
invNorm(
area[,m,s])
Computes the inverse cumulative normal distribution
function for a given area under the normal distribution
curve specified by m and s.
y =
DISTR
3:invNorm(
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(
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
:IS>(
variable,value)
:
commandA
:commands
Increments variable by 1; skips commandA if
variable>value.
† 
CTL
A:IS>(
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
LabelOn
Turns on axes labels. † y .
LabelOn
F unction or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item