Blacksmith today announced the immediate availability of Chartsmith 1.2, the latest version of the company’s popular charting and graphing application for Mac OS X. The free update provides enhancements for Business, Scientific, and AppleScript-built charts and graphs. Chartsmith 1.2 also includes support for Apple’s Keynote presentations, major enhancements to Error Bars, Trend Line equation annotations, and an expanded AppleScript interface. Chartsmith sells for US$129, but you can receive $20 off by purchasing it through our MacWishbook special deals site.