An updated version of the hypocycloids (electronic spirograph) program first released on disk number 27. Author: Terry Gintz An enhanced version of the dirutil from disk number 35. Dirutil is a program to wander around a directory tree and perform various operations on files. See README file for list of new features. Author: Chris Nicotra, enhancements by Johan Widen A program to scan a collection of object and library files and identify multiply defined symbols. This is useful to locate subtle problems where user defined symbols override library symbols. Author: Paul Jatkowski A disk update utility that also provides support for automatically stripping comments from C header files and for interactive verification on a per file basis. Author: Joe Mueller Program to compute and plot 3 dimensional functions. Includes hi-res interlace mode for maximum detail. Author: Unknown; Amiga version by Terry Gintz A moire type pattern generator but with color cycling. Author: Terry Gintz A program to query the status of the left mouse button and return a status code. The return code can be used as a WARN condition in a CLI execute file to alter execution. Also includes a separate program to toggle interlace on and off. Both are written in assembler and are very small. Author: Robert Rethemeyer A simple command to set the date of a file to the current date. Uses new supported method of setting a file datestamp (rather than reading and writing back a byte). Author: Phil Lindsay and Andy Finkel Another "tree growing" program, similar to the one on disk number 31, but more extensive. Author: Unknown; Amiga version by Terry Gintz