Michael Filippone has released PEMDAS 2.0 (http://donkeyengineering.com/pemdaswidget/), an update of a free scientific calculator widget for Mac OS X (10.5.8 and later). The first major update to PEMDAS 1.1, which won the 2007 Apple Design Award for Best Dashboard Widget, Runner-Up, the latest version offers refinements and expanded features.
Version 2.0 features a new, sleeker keypad and equation history view, and adds a third, mini-view, which reduces the view to just equation and answer. The equation history view has been redesigned, and now displays equations with their results directly below, as well as a list of all variables in the current session.
Nearly the entire interface has been re-written in response to user feedback, says Filippone. Every aspect of its graphical user interface, keypad layout, use of color, typography, display and entry fields,...| Read more »