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How to Save Files in Cabri Jr. on the TI-84 Plus

After creating geometric figures in the Cabri Jr. geometry application on the TI-84 plus calculator, you can save your work to a file using either the F1 menu’s Save or Save as command. Here’s what these commands do:

  • Save: As the command says, it saves your work. But it really does more than that. After your work is saved, it does not vanish from the screen. So you can continue working on it. Then next time you select Save from the F1 menu, the continuation of your work is automatically saved under the same filename. This is really convenient when creating a complicated geometric construction.

    After you have created part of the construction the way you want it, save it. Then move on to the next part. If you botch that part, you can always trash it by opening the saved construction. If things go well, save the extra work you’ve done and continue on to the next part of the construction.

  • Save as: This command allows you to save an already existing file under another filename. This is really convenient when there is a basic construction that you want to use as a starting point for several other investigations.

    Just save the basic construction under one filename using the Save command. Then open that file, complete your other investigation, and use the Save as command to save the enhanced construction under different filename.

To save a file, follow these steps:

  1. Press [Y=] to access the F1 menu. Repeatedly use

    image0.png

    to highlight either Save or Save as. Then press [ENTER] to select that command.

    If your current file has never been saved before, you see the second dialog box. Proceed to the next step.

    image1.jpg

    If you select the Save command and your file has been saved before, the calculator automatically resaves your updated file under the same filename without displaying any dialog box. You can now continue with the same construction or create a new file.

    If you select the Save as command and your file has been saved before, you see the third dialog box with the current filename displayed. If you want to save the file under a new filename, press [CLEAR] to erase the filename in the dialog box and proceed to the next step.

    If you want to resave the file under the filename in the dialog box, press [ENTER]. When you are warned that the existing file will be overwritten by the new file, press [ENTER] again to let the calculator know that this is exactly what you want to do. You can now continue with the same construction or create a new file.

  2. Enter a filename and then press [ENTER].

    Alpha-lock is on so that you can start writing letters. Your filename can contain no more than eight letters and numbers and must begin with a letter.

    If you make a mistake while entering the filename, you can press [DEL] to delete the letter to the left of the cursor or you can press [CLEAR] and start over. After entering a filename and pressing [ENTER], your file is saved and you can continue with the same construction or create a new file.

If you try to save a file using the same filename as a previously saved file, a warning appears on the screen telling you that you are about to overwrite an existing file. If you don’t want to do this, press [2nd][ENTER] to select the No option. If you do want to overwrite the file, just press [ENTER].

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