The following authors have contributed to the hpcalc-iphone project:

  * Thomas Fors <tom@fors.net>

The hpcalc-iphone project utilizes code from the following sources and would like
to acknowledge the following authors:

  * Nonpareil High Fidelity Calculator Simulator
    http://nonpareil.brouhaha.com/
    Author: Eric Smith
    License: GPL Version 2

  * Nonpareil port to Mac OSX
    http://homepage.mac.com/mba/nonpareil/
    Author: Maciej Bartosiak
    License: GPL Version 2