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Topic: TI-83 Data Storage
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Al Coons

Posts: 898
Registered: 12/4/04
TI-83 Data Storage
Posted: Jun 29, 1996 5:03 PM
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Bill Roloff wrote earlier:

>There is a pretty slick way to keep lists on the TI-82/83. Suppose you have
two lists in L1 and L2. While the data is still there, go to the program
editor for a new program, give the program a name that makes sense to the
data, and on the first line, enter the following: RCL (2nd STO) L1 enter STO
L1 enter. Do the same on the next line for L2, and continue for any other
lists you may have for that data set. Once you are done, you can clear out
those lists, then when you want the data back, simply run the program.
------------------------

I just converted many of my TI-83 group files into program files as per
Bill's suggestion. What a great idea!! There are great advantages:

1) The programs take less storage than keeping the lists as lists in the
calculator.
2) Data sets that have more than one list can be grouped together under the
program name which can be the same as the files supplied by publishers on
disk. Data sets with identical list names (such as YEAR) will not conflict
when loaded into the calculator.
3) There are some "features" of the new TI-83 Graph Link which makes it more
difficult to transfer Grouped Data Lists than it does a program file.
4) My programs general format for the TI-83 is similar to the following
example:

PROGRAM:AIRFARE
SetUpEditor DIST,FARE
{576,370,612,1216,409,1502,946,998,189,787,210,737}DIST
{178,138,94,278,158,258,198,188,98,179,138,98}FARE

In this way, when the program is executed, the lists the students want to see
(DIST and FARE) in the Stats Edit Window show up automatically while other
lists are not displayed.

5) It should be noted that you cannot convert TI-83 programs to TI-82
programs, so those who are working in a mixed environment (TI-82 & TI-83)
probably want to create your data programs in the TI-82 and then upload to
the TI-83.

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