Passerr Catalog; Pause Catalog; Plotsoff/On Catalog; Polar Math/Matrix/Vector Ops Menu - Texas Instruments TITANIUM TI-89 User Manual

PassErr
CATALOG
PassErr
Passes an error to the next level.
If "errornum" is zero,
anything.
The
Else
or
PassErr
ignored, use
is not known, use
error handler. (See also
Pause
CATALOG
expression
Pause [
Suspends program execution. If you include
expression
screen.
expression
as
4 4 4 4 DD
operator to perform unit and number base
conversions.
If the result of
single screen, you can use the cursor pad to scroll
the display.
Program execution resumes when you
press ¸.
PlotsOff
CATALOG
PlotsOff [1] [, 2] [, 3] ... [, 9]
Turns off the specified plots for graphing. When
in 2-graph mode, only affects the active graph.
If no parameters, then turns off all plots.
PlotsOn
CATALOG
PlotsOn [1] [, 2] [, 3] ... [, 9]
Turns on the specified plots for graphing. When in
2-graph mode, only affects the active graph.
If you do not include any arguments, turns on all
plots.
4 4 4 4 Polar
MATH/Matrix/Vector ops menu
vector 4 4 4 4 Polar
Displays
must be of dimension 2 and can be a row or a
column.
Note:
4 4 4 4 Polar
a conversion function. You can use it only at the
end of an entry line, and it does not update
Note: See also 4
Appendix A: Functions and Instructions
does not do
PassErr
clause in the program should use
. If the error is to be processed or
. If what to do with the error
ClrErr
to send it to the next
PassErr
.)
ClrErr
]
, displays on the Program I/O
expression
can include conversion operations such
. You can also use the 4
and
4 4 4 4 Rect
is too big to fit on a
expression
in polar form [r q]. The vector
vector
is a display-format instruction, not
.
Rect
See program listing example.
ClrErr
ClrErr
Program segment:
©
:ClrIO
:DelVar temp
:1 " temp[1]
:1 " temp[2]
:Disp temp[2]
: ¦ Guess the Pattern
:For i,3,20
: temp[i ì 2]+temp[i ì 1] " temp[i]
: Disp temp[i]
: Disp temp,"Can you guess the
next","number?"
: Pause
:EndFor
©
PlotsOff 1,2,5 ¸
PlotsOff ¸
PlotsOn 2,4,5 ¸
PlotsOn ¸
[1,3.] 4 Polar ¸
[x,y] 4 Polar ¸
.
ans
Done
Done
Done
Done
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