TI-83 Plus Tables and Reference Information 662
Function or Instruction/
Arguments Result Key or Keys/
Menu or Screen/Item
4Eff(nominal rate,
compounding periods)Computes the effective interest rate. Œ 1:Finance
CALC
C:4Eff(
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
Equ4String(Y= var,Strn)Converts the contents of a Y= var to
a string and stores it in Strn.y N
Equ4String(
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
Ücdf(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:Ûcdf(