Formula calculator is a compact powerful formula calculator which understands most of mathematical functions (trigonometric, hyperbolic, raising to power, extraction of any root,...), matrix operations, finds roots and minima of functions and calculates integrals.

River Past Talkative is the easiest way to convert text to spoken audio.With a text editor interface, it is no harder to use than WorkPad. Yet, speech options are readily available for reading or saving to audio.

Microspot DWG Viewer allows you to view, mark up and print AutoCAD DWG files in 2D on Mac OS X.