No specific info about version 593. Please visit the main page of GeoGebra Graphing Calculator on Mac Informer.
It lets you preview Graphic Calculator files on your Mac.
Calculates RPN functions and provides advanced functions.
Calculates depth of field, angle of view and hyperfocal distance.
Points Calculator program assist you with Diet and Weight Control.
Graph-O-Matic is an easy-to-use shareware OpenGL based graphing calculator.