Halcyon Touch Software is proud to announce that Halcyon Calc is now available from the iPhone App Store. Halcyon Calc is the premier scientific calculator for the iPhone, iPod Touch and iPad platforms. Among its key features are complex number support, symbolic expressions, simple programming support and graphing of expressions. Scientists, engineers. students or anyone working with numbers regularly will enjoy the power of Halcyon Calc. Buy it today on the App Store. Not sure it is for you? Try Halcyon Calc Lite, our free version or watch our demo video.