Red Rock Software today announced DeltaGraph 5.6, the latest update to its award-winning line of data analysis, charting and graphing applications for professional publishing, market, and scientific research. Red Rock has improved DeltaGraph 5.6 for Mac and DeltaGraph 5.6 for Windows with more than 30 enhancements ranging from improved interoperability between the two versions to more accurate rendering of drawing and TrueType fonts in EPS exports. Current customers using Red Rock DeltaGraph 5.x may download the free update to version 5.6 online at Red Rock Software’s Web site. Information on corporate licenses and other purchases may also be found online.