http://www.macnn.com/articles/02/04/15/xealbc.offers/
XEALbc offers graphical UI for bc
updated 11:40 pm EDT, Mon April 15, 2002
",
0, 0);
XEALbc v1.0 is a calculator utility for Mac OS X that surpasses the functionality of most pocket calculator emulators by offering a text editor-like interface with multiple windows and the ability to handle complex equations. XEALbc is a RealBASIC front-end to the powerful bc command line tool in Mac OS X, which implements an arbitrary precision numeric processing language
