user manual
A-28 Tables and Reference Information
8399APXA.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:25 PM Printed: 02/19/01 1:40 PM
Page 28 of 58
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
SinReg
 [
iterations
,
Xlistname
,
Ylistname
,
period
,
regequ
]
Attempts 
iterations
 times to fit
a sinusoidal regression model to
X
listname
 and 
Ylistname
 using
a 
period
 guess, and stores the
regression equation to 
regequ
.
…
CALC
C:SinReg
12
-
27
solve(
expression
,
variable
,
guess
,{
lower
,
upper
})
Solves 
expression
 for 
variable
,
given an initial 
guess
 and 
lower
and 
upper
 bounds within
which the solution is sought.
† 
MATH
0:solve(
2
-
12
SortA(
listname
)
Sorts elements of 
listname
 in
ascending order.
y
 [
LIST
]
OPS
11
-
10
1:SortA(
12
-
20
SortA(
keylistname
,
dependlist1
[
,
dependlist2
,
...,
dependlist n
]
)
Sorts elements of 
keylistname
in ascending order, then sorts
each 
dependlist
 as a dependent
list.
y
 [
LIST
]
OPS
1:SortA(
11
-
10
12
-
20
SortD(
listname
)
Sorts elements of 
listname
 in
descending order.
y
 [
LIST
]
OPS
11
-
10
2:SortD(
12
-
20
SortD(
keylistname
,
dependlist1
[
,
dependlist2
,
...
,
dependlist n
]
)
Sorts elements of 
keylistname
in descending order, then sorts
each 
dependlist
 as a dependent
list.
y
 [
LIST
]
OPS
2:SortD(
11
-
10
12
-
20
stdDev(
list
[
,
freqlist
]
)
Returns the standard deviation
of the elements in 
list
 with
frequency 
freqlist
.
y
 [
LIST
]
MATH
7:stdDev(
11
-
18
Stop
Ends program execution;
returns to home screen.
† 
CTL
F:Stop
16
-
15
Store: 
value
!
variable
Stores 
value
 in 
variable
.
¿
1
-
14
StoreGDB
n
Stores current graph in
database 
GDB
n
.
y
 [
DRAW
]
STO
3:StoreGDB
8
-
19










