Texas Instruments 83PL/CLM/1L1/V - 83 Plus Calc, Manual Book

Page: 665 / 827

TI-83 Plus Tables and Reference Information 662
Function or Instruction/
Arguments
Result
Key or Keys/
Menu or Screen/Item
4 Eff( nominal rate ,
compounding periods
)
Computes the effective interest rate.
Œ
1:Finance
CALC
C: 4 Eff(
Else
See
If:Then:Else
End Identifies end of For(, If-Then-Else,
Repeat, or While loop. † 
CTL
7:End
Eng Sets engineering display mode. † z
Eng
Equ
4
String(
Y=
var
,Str
n
) Converts the contents of a
Y=
var
to
a string and stores it in Str n .
y N
Equ 4 String(
expr( string ) Converts string to an expression and
executes it.
y N
expr(
ExpReg [
Xlistname
,
Ylistname , freqlist , regequ ]
Fits an exponential regression model
to
Xlistname and Ylistname with
frequency
freqlist
, and stores the
regression equation to regequ .
…
CALC
0:ExpReg
ExprOff Turns off the expression display
during
TRACE
.
†
y .
ExprOff
ExprOn Turns on the expression display
during
TRACE
.
† y .
ExprOn
Ü
cdf(
lowerbound
,
upperbound ,
numerator df
,
denominator df
)
Computes the
Û
distribution
probability between lowerbound and
upperbound
for the specified
numerator df
(degrees of freedom)
and denominator df .
y =
DISTR
9:
Û
cdf(