A screen shot of XCalc appears below. This calculator uses XBCD_Math internally and provides an RPN stack-oriented interface. An input Edit box allows the user to key in and modify or correct entries before they are placed in the 'X' register.
Screen Shot of XCalc
You can download XCalc here. A brief text file with notes to get you started using it is included in the zip archive.
As noted earlier, all software on this site should be considered as experimental and/or under development. You are free to use XCalc as you wish, but no guarantees on accuracy or performance are provided.
A DOS application which evaluates math expressions in extended precision using the XBCD_Math package can be found here. This simple application supports standard math operators and functions as well as the factorial (!) operator and Gamma function.
A high precision polynomial root finder has been implemented using the XBCD_Math package. This DOS executable employs a new algorithm for accurately determining roots of multiplicity exceeding unity. The method is described here.