Visualization Tools User's Guide

Saving Expressions

Ordinarily, as new expressions are evaluated, the old ones sink towards the bottom of the table. (By default, the global variables X, Y, Z do not sink.)

If you want to keep a value or expression readily available:

  1. Select the line.
  2. Select Keep Line Near Top from the popup menu of the table pane.

To reverse the process:

  1. Select the line.
  2. Select Let Line Sink.

It is sometimes useful to have a value or expression available in all the Snooper evaluation panes.

  1. Select the line.
  2. Save Expression

    Whenever you open a new Snooper, that expression and value are present in its list of available values.

To reverse the process:

  1. Select the line.
  2. Select Unsave Expression

    The expression will no longer appear in new Snoopers.

    Similarly, the Unsave Everything command releases all the saved expressions.


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