User Manual

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
strin
g
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
f
re
q
list
, 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
,
u
pp
erbound
,
numerator d
f
,
denominator df
)
Computes the
Û
distribution
probability between
lowerbound
and
u
pp
erbound
for the specified
numerator d
f
(degrees of freedom)
and
denominator df
.
y =
DISTR
9:
Û
cdf(