To open a previously saved set of graphs, choose Open from the File menu (or the toolbar). This will display the standard dialog box for selecting files, with the default extension of .gr. In addition, you will notice an extra checkbox on the right hand side of the dialog, Merge file with current graphs. When this box is not checked (the default), the file is loaded into a new document and the current document is closed (you may be asked if you want to save it first).

When you do check this box, Graphmatica will merge the contents of the file with the current graphs. Merging files is an inexact process, but this is approximately what will happen:

You can also start Graphmatica with an existing ".gr" file by double-clicking on it in Explorer or Finder. Finally, you can drag and drop files from Explorer windows onto Graphmatica to open them as well.

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kSoft, Inc. Last updated: Sun 11 Jun 2017