Texas Instruments TI-83 Manual Book page 384

Function or Instruction/
Arguments
SinReg [iterations
Xlistname , Ylistname
period , regequ]
solve( expression ,
guess ,{ lower , upper
SortA( listname )
SortA( keylistname
dependlist1[ , dependlist2
..., dependlist n] )
SortD( listname )
SortD( keylistname
dependlist1[ , dependlist2
dependlist n] )
stdDev( list[ , freqlist]
Stop
!
Store: value variable
StoreGDB n
A-28 Tables and Reference Information
Result
, Attempts iterations times to fit
, a sinusoidal regression model to
Xlistname and Ylistname using
a period guess, and stores the
regression equation to regequ.
variable , Solves expression for variable,
}) given an initial guess and lower
and upper bounds within
which the solution is sought.
Sorts elements of listname in
ascending order.
Sorts elements of keylistname
,
, in ascending order, then sorts
each dependlist as a dependent
list.
Sorts elements of listname in
descending order.
, Sorts elements of keylistname
in descending order, then sorts
, ... , each dependlist as a dependent
list.
) Returns the standard deviation
of the elements in list with
frequency freqlist.
Ends program execution;
returns to home screen.
Stores value in variable.
Stores current graph in
database GDB n.
Key or Keys/
Menu or Screen/Item
...
CALC
C:SinReg
12-27
† 
MATH
0:solve(
2-12
y [
]
LIST
11-10
OPS
12-20
1:SortA(
y [
]
LIST
OPS
11-10
1:SortA(
12-20
y [
]
LIST
11-10
OPS
12-20
2:SortD(
y [
]
LIST
OPS
11-10
2:SortD(
12-20
y [
]
LIST
MATH
11-18
7:stdDev(
† 
CTL
16-15
F:Stop
¿
1-14
y [
]
DRAW
STO
8-19
3:StoreGDB