Owner's Manual

886 Appendix A: Functions and Instructions
Try CATALOG
Try
block1
Else
block2
EndTry
Executes block1 unless an error occurs. Program
execution transfers to
block2 if an error occurs in
block1 . Variable errornum contains the error
number to allow the program to perform error
recovery.
block1 and block2 can be either a single statement
or a series of statements separated with the “:”
character.
Program segment:
©
:Try
: NewFold(temp)
: Else
: ¦Already exists
: ClrErr
:EndTry
©
Note: See ClrErr and PassErr.
TwoVar MATH/Statistics menu
TwoVar list1 , list2 [, [ list3 ] [, list4 , list5 ]]
Calculates the TwoVar statistics and updates all
the system statistics variables.
All the lists must have equal dimensions except
for
list5 .
list1 represents xlist.
list2 represents ylist.
list3 represents frequency.
list4 represents category codes.
list5 represents category include list.
Note:
list1 through list4 must be a variable name
or c1–c99 (columns in the last data variable
shown in the Data/Matrix Editor).
list5 does not
have to be a variable name and cannot be c1–c99
.
{0,1,2,3,4,5,6}! L1 ¸
{0 1 2
...}
{0,2,3,4,3,4,6}! L2 ¸
{0 2 3 ...}
TwoVar L1,L2 ¸ Done
ShowStat ¸
Unarchiv CATALOG
Unarchiv var1 [, var2 ] [, var3 ] …
Moves the specified variables from the user data
archive memory to RAM.
You can access an archived variable the same as
you would a variable in RAM. However, you
cannot delete, rename, or store to an archived
variable because it is locked automatically.
To archive variables, use
Archive.
10!arctest ¸ 10
Archive arctest ¸ Done
5ù arctest ¸ 50
15!arctest ¸
N
Unarchiv arctest ¸ Done
15!arctest ¸ 15