+Version 4.0 Released Jan 2003
+
+* Supports Mac OS X with wxWindows
+
+* Uses wxWindows 2.4
+
+
+Version 3.5 Released May 2002
+
+* New reconstruction technique: Interpolate divergent beams to
+ parallel beams for faster reconstructions.
+
+* Multithreading for running length processes in background. Also
+ takes advantage of multiple-CPU's in SMP systems for speed improvements
+ with parallel processing.
+
+* Region of interest can be specified for reconstruction zooming.
+
+* Import PNG, PPM, and PGM images
+
+* DICOM file import/export
+
+* Clipboard for cutting and pasting images
+
+* Can read and reconstruct SIEMENS AR.STAR DICOM raw data files
+
+* Scattergram of T-Theta sampling. Useful for understanding divergent beam
+ scanning.
+
+* Startup-tips to help new users learn features.
+
+* Ability to place detector at any arbitray position
+
+* Histogram plotting of projection files
+
+
Version 3.0 New Features
* Greatly improved dialog boxes
* Plotting of row and column data of single and comparison images
-* Histogram Plotting
+* Histogram Plotting of Image files.
* Conversion of projections to polar images