XZCalc is a calculator application with the following features: - Can calculate with quaternions, complex matrices and scalars - Extra precision numbers to millions of decimal places - Uses Fast Hartley Transform to speed-up long multiplies - Separate input and output notation, base 2 to base 36 - Efficient Transcendental functions - Hyperbolic functions - Greatest Common Divisor function - Modulo arithmetic options - Bernoulli numbers, Euler numbers, Eulers constant - Boolean functions, Gamma and Psi functions - Random number generator - Can compute Pi to 54.5 million decimal digits - Algebraic notation (not reverse polish) - If-then-else statement - Goto statement - Can run XZCalc code from files - Hot Help from F1 key - Written in Microsoft Visual C# .NET 2005 for Windows All of the source is included in the distributed file. Please let me know what you think about this program. -Harry hjsmithh@sbcglobal.net