Texas Instruments TI-89 Titanium Short User Manual page 262

Trace
CATALOG
Trace
Draws a
on the first defined Y= function at the previously
defined cursor position, or at the reset position if
regraphing was necessary.
Allows operation of the cursor and most keys
when editing coordinate values. Several keys,
such as the function keys, O, and 3, are
not activated during trace.
Note: Press ¸ to resume operation.
Try
CATALOG
Try
block1
Else
block2
EndTry
Executes
execution transfers to
block1 . Variable
number to allow the program to perform error
recovery.
block1
or a series of statements separated with the ":"
character.
TwoVar
MATH/Statistics menu
list1
TwoVar ,
Calculates the
the system statistics variables.
All the lists must have equal dimensions except
for
list5
represents xlist.
list1
list2 represents ylist.
represents frequency.
list3
represents category codes.
list4
represents category include list.
list5
Note:
or c1–c99 (columns in the last data variable
shown in the Data/Matrix Editor).
have to be a variable name and cannot be c1–c99
.
256
and places the trace cursor
Smart Graph
unless an error occurs. Program
block1
if an error occurs in
block2
contains the error
errornum
and can be either a single statement
block2
[
list2 list3 list4 list5
, [ ] [, , ]
statistics and updates all
TwoVar
.
through must be a variable name
list1 list4
Program segment:
:Try
:
:
:
:
:EndTry
Note: See
]
{0,1,2,3,4,5,6}! L1 ¸
{0,2,3,4,3,4,6}! L2 ¸
TwoVar L1,L2 ¸
ShowStat ¸
list5 does not
Appendix A: Functions and Instructions
©
NewFold(temp)
Else
¦Already exists
ClrErr
©
and
ClrErr PassErr
.
...
{0 1 2 }
...
{0 2 3 }
Done