864 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
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