Isoptikon 1.2.3


The application is devoted to the precise drawing (on screen and 
printer) of figures of Euclidean Geometry and the study of the 
so called "isoptic" cubics. 


No particular installation of the program is needed. Simply copy 
the compressed file to your hard-disc and decompress. 
Decompression produces a folder containing:
1) the application file
2) the application's help file
3) the help's content file
4) the Samples folder (containing sample documents)
5) the Tutorials folder (containing tutorials on the application's use)

The program is freeware and can be freely distributed, though not for 
commercial use without the permission of the authors.

For suggestions, questions and problems, please send e-mail to the address:
pamfilos@math.uch.gr


1.2.2 (29-8-98)	: improvement of default-printer-page-size and drawing-sheet 
data dialog. Tab-key: loop-select through objects. Return-key: display data
of selected object.


1.2.3 (22-3-99) : minor errors correction. Addition of tool dividing segments
or circles  in N parts. Preliminary release of scripting tool, for production
of geometric loci. This handles constructions involving points, segments and
circles (and their intersections) as a language with three letters:
Read the Arrow-heads-loci file. Error handling of the parser not yet secure!

Current version:
2.0 (13-8-99) : minor errors correction, better parsers, new format for graphs,
introduction of the parametric-curve-object. Graphs as subclasses of curves. 
Compatibility code for old versions 1.*.*. Replacement of "cross" tool with 
"parallel"-tool. Reorganization of toolbar.