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Sometimes it is necessary to extract data values from graphs. DigitizeIt makes it easy to actually get back numbers from such a plot. This is a three step process: import the graph from a file or copy it over the clipboard, then define the axes system, and digitize it automatically or manually.
Data values can then be saved in ASCII format or copy & pasted directly into any other application, (e.g. MS Excel or Microcal Origin).