Pedagoguery Software Inc. has released an update for Tess, bringing it to version 1.61. Tess is a educational mathematical app designed for symmetric planar illustrations. The update features object lock/unlocking and bug fixes. According to Pedagoguery Software:
Pedagoguery Software Inc. has released Tess 1.61.
Tess is a Classic Mac application for exploring the mathematics of tessellations and for creating symmetric illustrations.
The new version adds the ability to lock and unlock objects and lets you specify the illustrationis background color. Exported DXF files now use circular arcs ("ARC") instead of elliptical arcs ("ELLIPSE") where appropriate.
Some minor bugs were fixed.
You can find more information about the Tess update at the Pedagoguery Software Inc. Web site. Tess 1.61 is available for US$36.00.